Home / 752,425.68-1,128,704.16-246,835.20

Finding the Fourth Proportional to 752,425.68, 1,128,704.16 and 246,835.20

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Solution

The fourth proportional to 752,425.68, 1,128,704.16 and 246,835.20 is: 370,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,425.68 : 1,128,704.16 = 246,835.20 : x
  2. Step 2: Convert to fraction form
    752,425.68/1,128,704.16 = 246,835.20/x
  3. Step 3: Cross multiply
    752,425.68x = 1,128,704.16 × 246,835.20
  4. Step 4: Simplify right side
    752,425.68x = 278,603,917,074.43
  5. Step 5: Solve for x
    x = 278,603,917,074.43/752,425.68
  6. Step 6: Final answer
    x = 370,274.33

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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.