Finding the Fourth Proportional to 752,962.68, 1,039,105.26 and 413,432.28
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Solution
The fourth proportional to 752,962.68, 1,039,105.26 and 413,432.28 is: 570,545.75
Step by Step Solution
- Step 1: Write the proportion equation
752,962.68 : 1,039,105.26 = 413,432.28 : x - Step 2: Convert to fraction form
752,962.68/1,039,105.26 = 413,432.28/x - Step 3: Cross multiply
752,962.68x = 1,039,105.26 × 413,432.28 - Step 4: Simplify right side
752,962.68x = 429,599,656,801.79 - Step 5: Solve for x
x = 429,599,656,801.79/752,962.68 - Step 6: Final answer
x = 570,545.75
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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.