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Finding the Fourth Proportional to 629,589.21, 944,662.56 and 329,998.56

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Solution

The fourth proportional to 629,589.21, 944,662.56 and 329,998.56 is: 495,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,589.21 : 944,662.56 = 329,998.56 : x
  2. Step 2: Convert to fraction form
    629,589.21/944,662.56 = 329,998.56/x
  3. Step 3: Cross multiply
    629,589.21x = 944,662.56 × 329,998.56
  4. Step 4: Simplify right side
    629,589.21x = 311,737,284,485.91
  5. Step 5: Solve for x
    x = 311,737,284,485.91/629,589.21
  6. Step 6: Final answer
    x = 495,143.94

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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.