Home / 694,245.20-958,045.68-392,439.20

Finding the Fourth Proportional to 694,245.20, 958,045.68 and 392,439.20

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Solution

The fourth proportional to 694,245.20, 958,045.68 and 392,439.20 is: 541,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,245.20 : 958,045.68 = 392,439.20 : x
  2. Step 2: Convert to fraction form
    694,245.20/958,045.68 = 392,439.20/x
  3. Step 3: Cross multiply
    694,245.20x = 958,045.68 × 392,439.20
  4. Step 4: Simplify right side
    694,245.20x = 375,974,680,222.66
  5. Step 5: Solve for x
    x = 375,974,680,222.66/694,245.20
  6. Step 6: Final answer
    x = 541,558.92

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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.