Home / 629,976.40-944,964.60-472,512.40

Finding the Fourth Proportional to 629,976.40, 944,964.60 and 472,512.40

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Solution

The fourth proportional to 629,976.40, 944,964.60 and 472,512.40 is: 708,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,976.40 : 944,964.60 = 472,512.40 : x
  2. Step 2: Convert to fraction form
    629,976.40/944,964.60 = 472,512.40/x
  3. Step 3: Cross multiply
    629,976.40x = 944,964.60 × 472,512.40
  4. Step 4: Simplify right side
    629,976.40x = 446,507,491,061.04
  5. Step 5: Solve for x
    x = 446,507,491,061.04/629,976.40
  6. Step 6: Final answer
    x = 708,768.60

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Half scale
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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.