" Reach" here means to make contact with more people, to extend your business.

“到达”在这里意味着接触更多的人，扩展您的业务。

They were looking for high prices and quick profits, while Ford's plans were for low prices, large sales, and use of profits to extend the business and reduce the cost of his machine.

他们寻求高价和快速利润， 而福特的计划是低价、大销量， 并利用利润来扩大业务并降低机器成本。