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Finding the Fourth Proportional to 629,875.20, 944,812.80 and 555,079.80

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Solution

The fourth proportional to 629,875.20, 944,812.80 and 555,079.80 is: 832,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,875.20 : 944,812.80 = 555,079.80 : x
  2. Step 2: Convert to fraction form
    629,875.20/944,812.80 = 555,079.80/x
  3. Step 3: Cross multiply
    629,875.20x = 944,812.80 × 555,079.80
  4. Step 4: Simplify right side
    629,875.20x = 524,446,500,061.44
  5. Step 5: Solve for x
    x = 524,446,500,061.44/629,875.20
  6. Step 6: Final answer
    x = 832,619.70

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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.