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Finding the Fourth Proportional to 496,256.80, 744,385.20 and 452,711.20

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Solution

The fourth proportional to 496,256.80, 744,385.20 and 452,711.20 is: 679,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,256.80 : 744,385.20 = 452,711.20 : x
  2. Step 2: Convert to fraction form
    496,256.80/744,385.20 = 452,711.20/x
  3. Step 3: Cross multiply
    496,256.80x = 744,385.20 × 452,711.20
  4. Step 4: Simplify right side
    496,256.80x = 336,991,517,154.24
  5. Step 5: Solve for x
    x = 336,991,517,154.24/496,256.80
  6. Step 6: Final answer
    x = 679,066.80

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Similar ratio
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1.5x scale

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.