Finding the Fourth Proportional to 532,327.50, 734,613.12 and 290,610.09
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Solution
The fourth proportional to 532,327.50, 734,613.12 and 290,610.09 is: 401,042.56
Step by Step Solution
- Step 1: Write the proportion equation
532,327.50 : 734,613.12 = 290,610.09 : x - Step 2: Convert to fraction form
532,327.50/734,613.12 = 290,610.09/x - Step 3: Cross multiply
532,327.50x = 734,613.12 × 290,610.09 - Step 4: Simplify right side
532,327.50x = 213,485,984,918.38 - Step 5: Solve for x
x = 213,485,984,918.38/532,327.50 - Step 6: Final answer
x = 401,042.56
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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.