Home / 500,545.14-690,753.02-271,102.87

Finding the Fourth Proportional to 500,545.14, 690,753.02 and 271,102.87

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Solution

The fourth proportional to 500,545.14, 690,753.02 and 271,102.87 is: 374,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,545.14 : 690,753.02 = 271,102.87 : x
  2. Step 2: Convert to fraction form
    500,545.14/690,753.02 = 271,102.87/x
  3. Step 3: Cross multiply
    500,545.14x = 690,753.02 × 271,102.87
  4. Step 4: Simplify right side
    500,545.14x = 187,265,127,633.84
  5. Step 5: Solve for x
    x = 187,265,127,633.84/500,545.14
  6. Step 6: Final answer
    x = 374,122.35

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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.