Home / 752,983.80-1,039,117.64-413,452.05

Finding the Fourth Proportional to 752,983.80, 1,039,117.64 and 413,452.05

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Solution

The fourth proportional to 752,983.80, 1,039,117.64 and 413,452.05 is: 570,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,983.80 : 1,039,117.64 = 413,452.05 : x
  2. Step 2: Convert to fraction form
    752,983.80/1,039,117.64 = 413,452.05/x
  3. Step 3: Cross multiply
    752,983.80x = 1,039,117.64 × 413,452.05
  4. Step 4: Simplify right side
    752,983.80x = 429,625,314,287.20
  5. Step 5: Solve for x
    x = 429,625,314,287.20/752,983.80
  6. Step 6: Final answer
    x = 570,563.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.