Home / 752,532.80-1,128,799.20-303,468.80

Finding the Fourth Proportional to 752,532.80, 1,128,799.20 and 303,468.80

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Solution

The fourth proportional to 752,532.80, 1,128,799.20 and 303,468.80 is: 455,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,532.80 : 1,128,799.20 = 303,468.80 : x
  2. Step 2: Convert to fraction form
    752,532.80/1,128,799.20 = 303,468.80/x
  3. Step 3: Cross multiply
    752,532.80x = 1,128,799.20 × 303,468.80
  4. Step 4: Simplify right side
    752,532.80x = 342,555,338,664.96
  5. Step 5: Solve for x
    x = 342,555,338,664.96/752,532.80
  6. Step 6: Final answer
    x = 455,203.20

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Double scale
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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.