Home / 752,925.20-1,129,387.80-254,289.20

Finding the Fourth Proportional to 752,925.20, 1,129,387.80 and 254,289.20

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Solution

The fourth proportional to 752,925.20, 1,129,387.80 and 254,289.20 is: 381,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,925.20 : 1,129,387.80 = 254,289.20 : x
  2. Step 2: Convert to fraction form
    752,925.20/1,129,387.80 = 254,289.20/x
  3. Step 3: Cross multiply
    752,925.20x = 1,129,387.80 × 254,289.20
  4. Step 4: Simplify right side
    752,925.20x = 287,191,120,151.76
  5. Step 5: Solve for x
    x = 287,191,120,151.76/752,925.20
  6. Step 6: Final answer
    x = 381,433.80

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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.