Home / 629,430.10-944,424.20-329,839.45

Finding the Fourth Proportional to 629,430.10, 944,424.20 and 329,839.45

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Solution

The fourth proportional to 629,430.10, 944,424.20 and 329,839.45 is: 494,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,430.10 : 944,424.20 = 329,839.45 : x
  2. Step 2: Convert to fraction form
    629,430.10/944,424.20 = 329,839.45/x
  3. Step 3: Cross multiply
    629,430.10x = 944,424.20 × 329,839.45
  4. Step 4: Simplify right side
    629,430.10x = 311,508,358,694.69
  5. Step 5: Solve for x
    x = 311,508,358,694.69/629,430.10
  6. Step 6: Final answer
    x = 494,905.41

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Double scale
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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.