Home / 649,872.13-974,432.97-200,472.34

Finding the Fourth Proportional to 649,872.13, 974,432.97 and 200,472.34

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Solution

The fourth proportional to 649,872.13, 974,432.97 and 200,472.34 is: 300,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,872.13 : 974,432.97 = 200,472.34 : x
  2. Step 2: Convert to fraction form
    649,872.13/974,432.97 = 200,472.34/x
  3. Step 3: Cross multiply
    649,872.13x = 974,432.97 × 200,472.34
  4. Step 4: Simplify right side
    649,872.13x = 195,346,857,669.05
  5. Step 5: Solve for x
    x = 195,346,857,669.05/649,872.13
  6. Step 6: Final answer
    x = 300,592.76

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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.