Home / 629,420.38-944,123.28-376,771.48

Finding the Fourth Proportional to 629,420.38, 944,123.28 and 376,771.48

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Solution

The fourth proportional to 629,420.38, 944,123.28 and 376,771.48 is: 565,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,420.38 : 944,123.28 = 376,771.48 : x
  2. Step 2: Convert to fraction form
    629,420.38/944,123.28 = 376,771.48/x
  3. Step 3: Cross multiply
    629,420.38x = 944,123.28 × 376,771.48
  4. Step 4: Simplify right side
    629,420.38x = 355,718,725,508.05
  5. Step 5: Solve for x
    x = 355,718,725,508.05/629,420.38
  6. Step 6: Final answer
    x = 565,152.86

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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.