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Finding the Fourth Proportional to 629,463.85, 944,474.85 and 329,873.20

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Solution

The fourth proportional to 629,463.85, 944,474.85 and 329,873.20 is: 494,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,463.85 : 944,474.85 = 329,873.20 : x
  2. Step 2: Convert to fraction form
    629,463.85/944,474.85 = 329,873.20/x
  3. Step 3: Cross multiply
    629,463.85x = 944,474.85 × 329,873.20
  4. Step 4: Simplify right side
    629,463.85x = 311,556,941,089.02
  5. Step 5: Solve for x
    x = 311,556,941,089.02/629,463.85
  6. Step 6: Final answer
    x = 494,956.05

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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.