Home / 752,397.08-1,128,591.72-266,439.72

Finding the Fourth Proportional to 752,397.08, 1,128,591.72 and 266,439.72

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Solution

The fourth proportional to 752,397.08, 1,128,591.72 and 266,439.72 is: 399,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,397.08 : 1,128,591.72 = 266,439.72 : x
  2. Step 2: Convert to fraction form
    752,397.08/1,128,591.72 = 266,439.72/x
  3. Step 3: Cross multiply
    752,397.08x = 1,128,591.72 × 266,439.72
  4. Step 4: Simplify right side
    752,397.08x = 300,701,661,871.12
  5. Step 5: Solve for x
    x = 300,701,661,871.12/752,397.08
  6. Step 6: Final answer
    x = 399,658.20

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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.