Home / 887,124.76-1,330,687.17-279,974.61

Finding the Fourth Proportional to 887,124.76, 1,330,687.17 and 279,974.61

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Solution

The fourth proportional to 887,124.76, 1,330,687.17 and 279,974.61 is: 419,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,124.76 : 1,330,687.17 = 279,974.61 : x
  2. Step 2: Convert to fraction form
    887,124.76/1,330,687.17 = 279,974.61/x
  3. Step 3: Cross multiply
    887,124.76x = 1,330,687.17 × 279,974.61
  4. Step 4: Simplify right side
    887,124.76x = 372,558,621,452.75
  5. Step 5: Solve for x
    x = 372,558,621,452.75/887,124.76
  6. Step 6: Final answer
    x = 419,961.92

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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.