Finding the Fourth Proportional to 713,545.80, 1,070,497.16 and 503,593.80
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Solution
The fourth proportional to 713,545.80, 1,070,497.16 and 503,593.80 is: 755,516.65
Step by Step Solution
- Step 1: Write the proportion equation
713,545.80 : 1,070,497.16 = 503,593.80 : x - Step 2: Convert to fraction form
713,545.80/1,070,497.16 = 503,593.80/x - Step 3: Cross multiply
713,545.80x = 1,070,497.16 × 503,593.80 - Step 4: Simplify right side
713,545.80x = 539,095,732,693.61 - Step 5: Solve for x
x = 539,095,732,693.61/713,545.80 - Step 6: Final answer
x = 755,516.65
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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.