Home / 752,132.74-1,128,277.96-219,655.22

Finding the Fourth Proportional to 752,132.74, 1,128,277.96 and 219,655.22

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Solution

The fourth proportional to 752,132.74, 1,128,277.96 and 219,655.22 is: 329,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,132.74 : 1,128,277.96 = 219,655.22 : x
  2. Step 2: Convert to fraction form
    752,132.74/1,128,277.96 = 219,655.22/x
  3. Step 3: Cross multiply
    752,132.74x = 1,128,277.96 × 219,655.22
  4. Step 4: Simplify right side
    752,132.74x = 247,832,143,524.95
  5. Step 5: Solve for x
    x = 247,832,143,524.95/752,132.74
  6. Step 6: Final answer
    x = 329,505.86

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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.