Home / 413,890.20-571,375.17-270,868.73

Finding the Fourth Proportional to 413,890.20, 571,375.17 and 270,868.73

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Solution

The fourth proportional to 413,890.20, 571,375.17 and 270,868.73 is: 373,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,890.20 : 571,375.17 = 270,868.73 : x
  2. Step 2: Convert to fraction form
    413,890.20/571,375.17 = 270,868.73/x
  3. Step 3: Cross multiply
    413,890.20x = 571,375.17 × 270,868.73
  4. Step 4: Simplify right side
    413,890.20x = 154,767,663,794.56
  5. Step 5: Solve for x
    x = 154,767,663,794.56/413,890.20
  6. Step 6: Final answer
    x = 373,934.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.