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Finding the Fourth Proportional to 629,580.56, 944,649.70 and 329,989.92

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Solution

The fourth proportional to 629,580.56, 944,649.70 and 329,989.92 is: 495,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,580.56 : 944,649.70 = 329,989.92 : x
  2. Step 2: Convert to fraction form
    629,580.56/944,649.70 = 329,989.92/x
  3. Step 3: Cross multiply
    629,580.56x = 944,649.70 × 329,989.92
  4. Step 4: Simplify right side
    629,580.56x = 311,724,878,931.02
  5. Step 5: Solve for x
    x = 311,724,878,931.02/629,580.56
  6. Step 6: Final answer
    x = 495,131.04

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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.