Home / 915,217.92-1,372,834.98-375,770.88

Finding the Fourth Proportional to 915,217.92, 1,372,834.98 and 375,770.88

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Solution

The fourth proportional to 915,217.92, 1,372,834.98 and 375,770.88 is: 563,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,217.92 : 1,372,834.98 = 375,770.88 : x
  2. Step 2: Convert to fraction form
    915,217.92/1,372,834.98 = 375,770.88/x
  3. Step 3: Cross multiply
    915,217.92x = 1,372,834.98 × 375,770.88
  4. Step 4: Simplify right side
    915,217.92x = 515,871,408,529.38
  5. Step 5: Solve for x
    x = 515,871,408,529.38/915,217.92
  6. Step 6: Final answer
    x = 563,659.65

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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.