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Finding the Fourth Proportional to 629,446.35, 944,448.57 and 329,855.70

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Solution

The fourth proportional to 629,446.35, 944,448.57 and 329,855.70 is: 494,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,446.35 : 944,448.57 = 329,855.70 : x
  2. Step 2: Convert to fraction form
    629,446.35/944,448.57 = 329,855.70/x
  3. Step 3: Cross multiply
    629,446.35x = 944,448.57 × 329,855.70
  4. Step 4: Simplify right side
    629,446.35x = 311,531,744,171.35
  5. Step 5: Solve for x
    x = 311,531,744,171.35/629,446.35
  6. Step 6: Final answer
    x = 494,929.78

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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.