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Finding the Fourth Proportional to 489,006.80, 733,874.70 and 252,227.60

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Solution

The fourth proportional to 489,006.80, 733,874.70 and 252,227.60 is: 378,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,006.80 : 733,874.70 = 252,227.60 : x
  2. Step 2: Convert to fraction form
    489,006.80/733,874.70 = 252,227.60/x
  3. Step 3: Cross multiply
    489,006.80x = 733,874.70 × 252,227.60
  4. Step 4: Simplify right side
    489,006.80x = 185,103,454,281.72
  5. Step 5: Solve for x
    x = 185,103,454,281.72/489,006.80
  6. Step 6: Final answer
    x = 378,529.41

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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.