Home / 752,714.60-1,128,197.10-303,213.20

Finding the Fourth Proportional to 752,714.60, 1,128,197.10 and 303,213.20

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Solution

The fourth proportional to 752,714.60, 1,128,197.10 and 303,213.20 is: 454,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,714.60 : 1,128,197.10 = 303,213.20 : x
  2. Step 2: Convert to fraction form
    752,714.60/1,128,197.10 = 303,213.20/x
  3. Step 3: Cross multiply
    752,714.60x = 1,128,197.10 × 303,213.20
  4. Step 4: Simplify right side
    752,714.60x = 342,084,252,921.72
  5. Step 5: Solve for x
    x = 342,084,252,921.72/752,714.60
  6. Step 6: Final answer
    x = 454,467.41

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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.