Home / 392,982.70-589,545.33-224,692.78

Finding the Fourth Proportional to 392,982.70, 589,545.33 and 224,692.78

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Solution

The fourth proportional to 392,982.70, 589,545.33 and 224,692.78 is: 337,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,982.70 : 589,545.33 = 224,692.78 : x
  2. Step 2: Convert to fraction form
    392,982.70/589,545.33 = 224,692.78/x
  3. Step 3: Cross multiply
    392,982.70x = 589,545.33 × 224,692.78
  4. Step 4: Simplify right side
    392,982.70x = 132,466,577,659.85
  5. Step 5: Solve for x
    x = 132,466,577,659.85/392,982.70
  6. Step 6: Final answer
    x = 337,079.92

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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.