Home / 629,580.20-944,649.07-329,989.55

Finding the Fourth Proportional to 629,580.20, 944,649.07 and 329,989.55

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Solution

The fourth proportional to 629,580.20, 944,649.07 and 329,989.55 is: 495,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,580.20 : 944,649.07 = 329,989.55 : x
  2. Step 2: Convert to fraction form
    629,580.20/944,649.07 = 329,989.55/x
  3. Step 3: Cross multiply
    629,580.20x = 944,649.07 × 329,989.55
  4. Step 4: Simplify right side
    629,580.20x = 311,724,315,969.00
  5. Step 5: Solve for x
    x = 311,724,315,969.00/629,580.20
  6. Step 6: Final answer
    x = 495,130.44

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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.