Finding the Fourth Proportional to 636,652.80, 955,420.80 and 479,212.80
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Solution
The fourth proportional to 636,652.80, 955,420.80 and 479,212.80 is: 719,151.60
Step by Step Solution
- Step 1: Write the proportion equation
636,652.80 : 955,420.80 = 479,212.80 : x - Step 2: Convert to fraction form
636,652.80/955,420.80 = 479,212.80/x - Step 3: Cross multiply
636,652.80x = 955,420.80 × 479,212.80 - Step 4: Simplify right side
636,652.80x = 457,849,876,746.24 - Step 5: Solve for x
x = 457,849,876,746.24/636,652.80 - Step 6: Final answer
x = 719,151.60
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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.