Finding the Fourth Proportional to 636,654.80, 955,423.80 and 479,214.80
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Solution
The fourth proportional to 636,654.80, 955,423.80 and 479,214.80 is: 719,154.60
Step by Step Solution
- Step 1: Write the proportion equation
636,654.80 : 955,423.80 = 479,214.80 : x - Step 2: Convert to fraction form
636,654.80/955,423.80 = 479,214.80/x - Step 3: Cross multiply
636,654.80x = 955,423.80 × 479,214.80 - Step 4: Simplify right side
636,654.80x = 457,853,225,232.24 - Step 5: Solve for x
x = 457,853,225,232.24/636,654.80 - Step 6: Final answer
x = 719,154.60
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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.