Finding the Fourth Proportional to 577,109.80, 865,664.70 and 437,141.80
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Solution
The fourth proportional to 577,109.80, 865,664.70 and 437,141.80 is: 655,712.70
Step by Step Solution
- Step 1: Write the proportion equation
577,109.80 : 865,664.70 = 437,141.80 : x - Step 2: Convert to fraction form
577,109.80/865,664.70 = 437,141.80/x - Step 3: Cross multiply
577,109.80x = 865,664.70 × 437,141.80 - Step 4: Simplify right side
577,109.80x = 378,418,225,154.46 - Step 5: Solve for x
x = 378,418,225,154.46/577,109.80 - Step 6: Final answer
x = 655,712.70
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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.