Home / 413,246.10-619,869.15-279,401.70

Finding the Fourth Proportional to 413,246.10, 619,869.15 and 279,401.70

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Solution

The fourth proportional to 413,246.10, 619,869.15 and 279,401.70 is: 419,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,246.10 : 619,869.15 = 279,401.70 : x
  2. Step 2: Convert to fraction form
    413,246.10/619,869.15 = 279,401.70/x
  3. Step 3: Cross multiply
    413,246.10x = 619,869.15 × 279,401.70
  4. Step 4: Simplify right side
    413,246.10x = 173,192,494,287.56
  5. Step 5: Solve for x
    x = 173,192,494,287.56/413,246.10
  6. Step 6: Final answer
    x = 419,102.55

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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.