Home / 607,939.20-912,237.12-253,198.08

Finding the Fourth Proportional to 607,939.20, 912,237.12 and 253,198.08

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Solution

The fourth proportional to 607,939.20, 912,237.12 and 253,198.08 is: 379,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,939.20 : 912,237.12 = 253,198.08 : x
  2. Step 2: Convert to fraction form
    607,939.20/912,237.12 = 253,198.08/x
  3. Step 3: Cross multiply
    607,939.20x = 912,237.12 × 253,198.08
  4. Step 4: Simplify right side
    607,939.20x = 230,976,687,288.73
  5. Step 5: Solve for x
    x = 230,976,687,288.73/607,939.20
  6. Step 6: Final answer
    x = 379,933.86

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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.