Home / 629,931.60-944,897.40-377,989.20

Finding the Fourth Proportional to 629,931.60, 944,897.40 and 377,989.20

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Solution

The fourth proportional to 629,931.60, 944,897.40 and 377,989.20 is: 566,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,931.60 : 944,897.40 = 377,989.20 : x
  2. Step 2: Convert to fraction form
    629,931.60/944,897.40 = 377,989.20/x
  3. Step 3: Cross multiply
    629,931.60x = 944,897.40 × 377,989.20
  4. Step 4: Simplify right side
    629,931.60x = 357,161,012,308.08
  5. Step 5: Solve for x
    x = 357,161,012,308.08/629,931.60
  6. Step 6: Final answer
    x = 566,983.80

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Double scale
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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.