Home / 752,928.96-1,129,561.92-254,280

Finding the Fourth Proportional to 752,928.96, 1,129,561.92 and 254,280

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Solution

The fourth proportional to 752,928.96, 1,129,561.92 and 254,280 is: 381,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,928.96 : 1,129,561.92 = 254,280 : x
  2. Step 2: Convert to fraction form
    752,928.96/1,129,561.92 = 254,280/x
  3. Step 3: Cross multiply
    752,928.96x = 1,129,561.92 × 254,280
  4. Step 4: Simplify right side
    752,928.96x = 287,225,005,017.60
  5. Step 5: Solve for x
    x = 287,225,005,017.60/752,928.96
  6. Step 6: Final answer
    x = 381,476.90

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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.