Home / 725,267.62-1,087,644.00-212,789.73

Finding the Fourth Proportional to 725,267.62, 1,087,644.00 and 212,789.73

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Solution

The fourth proportional to 725,267.62, 1,087,644.00 and 212,789.73 is: 319,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,267.62 : 1,087,644.00 = 212,789.73 : x
  2. Step 2: Convert to fraction form
    725,267.62/1,087,644.00 = 212,789.73/x
  3. Step 3: Cross multiply
    725,267.62x = 1,087,644.00 × 212,789.73
  4. Step 4: Simplify right side
    725,267.62x = 231,439,477,972.75
  5. Step 5: Solve for x
    x = 231,439,477,972.75/725,267.62
  6. Step 6: Final answer
    x = 319,109.07

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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.