Home / 500,861.28-691,187.24-271,424.96

Finding the Fourth Proportional to 500,861.28, 691,187.24 and 271,424.96

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Solution

The fourth proportional to 500,861.28, 691,187.24 and 271,424.96 is: 374,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,861.28 : 691,187.24 = 271,424.96 : x
  2. Step 2: Convert to fraction form
    500,861.28/691,187.24 = 271,424.96/x
  3. Step 3: Cross multiply
    500,861.28x = 691,187.24 × 271,424.96
  4. Step 4: Simplify right side
    500,861.28x = 187,605,468,969.51
  5. Step 5: Solve for x
    x = 187,605,468,969.51/500,861.28
  6. Step 6: Final answer
    x = 374,565.73

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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.