Finding the Fourth Proportional to 853,613.67, 1,178,010.63 and 471,665.19
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Solution
The fourth proportional to 853,613.67, 1,178,010.63 and 471,665.19 is: 650,911.09
Step by Step Solution
- Step 1: Write the proportion equation
853,613.67 : 1,178,010.63 = 471,665.19 : x - Step 2: Convert to fraction form
853,613.67/1,178,010.63 = 471,665.19/x - Step 3: Cross multiply
853,613.67x = 1,178,010.63 × 471,665.19 - Step 4: Simplify right side
853,613.67x = 555,626,607,620.97 - Step 5: Solve for x
x = 555,626,607,620.97/853,613.67 - Step 6: Final answer
x = 650,911.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.