Home / 752,851.20-1,128,067.20-397,401.60

Finding the Fourth Proportional to 752,851.20, 1,128,067.20 and 397,401.60

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Solution

The fourth proportional to 752,851.20, 1,128,067.20 and 397,401.60 is: 595,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,851.20 : 1,128,067.20 = 397,401.60 : x
  2. Step 2: Convert to fraction form
    752,851.20/1,128,067.20 = 397,401.60/x
  3. Step 3: Cross multiply
    752,851.20x = 1,128,067.20 × 397,401.60
  4. Step 4: Simplify right side
    752,851.20x = 448,295,710,187.52
  5. Step 5: Solve for x
    x = 448,295,710,187.52/752,851.20
  6. Step 6: Final answer
    x = 595,463.90

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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.