Home / 629,580.93-944,650.23-329,990.28

Finding the Fourth Proportional to 629,580.93, 944,650.23 and 329,990.28

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Solution

The fourth proportional to 629,580.93, 944,650.23 and 329,990.28 is: 495,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,580.93 : 944,650.23 = 329,990.28 : x
  2. Step 2: Convert to fraction form
    629,580.93/944,650.23 = 329,990.28/x
  3. Step 3: Cross multiply
    629,580.93x = 944,650.23 × 329,990.28
  4. Step 4: Simplify right side
    629,580.93x = 311,725,393,899.76
  5. Step 5: Solve for x
    x = 311,725,393,899.76/629,580.93
  6. Step 6: Final answer
    x = 495,131.57

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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.