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Finding the Fourth Proportional to 489,606.32, 733,818.89 and 252,819.92

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Solution

The fourth proportional to 489,606.32, 733,818.89 and 252,819.92 is: 378,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,606.32 : 733,818.89 = 252,819.92 : x
  2. Step 2: Convert to fraction form
    489,606.32/733,818.89 = 252,819.92/x
  3. Step 3: Cross multiply
    489,606.32x = 733,818.89 × 252,819.92
  4. Step 4: Simplify right side
    489,606.32x = 185,524,028,131.10
  5. Step 5: Solve for x
    x = 185,524,028,131.10/489,606.32
  6. Step 6: Final answer
    x = 378,924.91

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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.