Finding the Fourth Proportional to 754,778.01, 1,132,691.49 and 487,876.53
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Solution
The fourth proportional to 754,778.01, 1,132,691.49 and 487,876.53 is: 732,153.81
Step by Step Solution
- Step 1: Write the proportion equation
754,778.01 : 1,132,691.49 = 487,876.53 : x - Step 2: Convert to fraction form
754,778.01/1,132,691.49 = 487,876.53/x - Step 3: Cross multiply
754,778.01x = 1,132,691.49 × 487,876.53 - Step 4: Simplify right side
754,778.01x = 552,613,593,701.73 - Step 5: Solve for x
x = 552,613,593,701.73/754,778.01 - Step 6: Final answer
x = 732,153.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.