Home / 755,078.60-1,132,581-281,727.08

Finding the Fourth Proportional to 755,078.60, 1,132,581 and 281,727.08

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Solution

The fourth proportional to 755,078.60, 1,132,581 and 281,727.08 is: 422,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,078.60 : 1,132,581 = 281,727.08 : x
  2. Step 2: Convert to fraction form
    755,078.60/1,132,581 = 281,727.08/x
  3. Step 3: Cross multiply
    755,078.60x = 1,132,581 × 281,727.08
  4. Step 4: Simplify right side
    755,078.60x = 319,078,737,993.48
  5. Step 5: Solve for x
    x = 319,078,737,993.48/755,078.60
  6. Step 6: Final answer
    x = 422,576.85

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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.