Home / 629,446.85-944,449.32-329,856.20

Finding the Fourth Proportional to 629,446.85, 944,449.32 and 329,856.20

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Solution

The fourth proportional to 629,446.85, 944,449.32 and 329,856.20 is: 494,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,446.85 : 944,449.32 = 329,856.20 : x
  2. Step 2: Convert to fraction form
    629,446.85/944,449.32 = 329,856.20/x
  3. Step 3: Cross multiply
    629,446.85x = 944,449.32 × 329,856.20
  4. Step 4: Simplify right side
    629,446.85x = 311,532,463,787.78
  5. Step 5: Solve for x
    x = 311,532,463,787.78/629,446.85
  6. Step 6: Final answer
    x = 494,930.53

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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.