Home / 500,785.28-691,082.73-271,348.77

Finding the Fourth Proportional to 500,785.28, 691,082.73 and 271,348.77

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Solution

The fourth proportional to 500,785.28, 691,082.73 and 271,348.77 is: 374,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,785.28 : 691,082.73 = 271,348.77 : x
  2. Step 2: Convert to fraction form
    500,785.28/691,082.73 = 271,348.77/x
  3. Step 3: Cross multiply
    500,785.28x = 691,082.73 × 271,348.77
  4. Step 4: Simplify right side
    500,785.28x = 187,524,448,753.74
  5. Step 5: Solve for x
    x = 187,524,448,753.74/500,785.28
  6. Step 6: Final answer
    x = 374,460.79

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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.