Home / 752,425.20-1,128,637.80-332,521.20

Finding the Fourth Proportional to 752,425.20, 1,128,637.80 and 332,521.20

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Solution

The fourth proportional to 752,425.20, 1,128,637.80 and 332,521.20 is: 498,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,425.20 : 1,128,637.80 = 332,521.20 : x
  2. Step 2: Convert to fraction form
    752,425.20/1,128,637.80 = 332,521.20/x
  3. Step 3: Cross multiply
    752,425.20x = 1,128,637.80 × 332,521.20
  4. Step 4: Simplify right side
    752,425.20x = 375,295,995,621.36
  5. Step 5: Solve for x
    x = 375,295,995,621.36/752,425.20
  6. Step 6: Final answer
    x = 498,781.80

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Similar ratio
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1.5x scale

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.