Home / 741,781.42-1,112,694.78-255,458.32

Finding the Fourth Proportional to 741,781.42, 1,112,694.78 and 255,458.32

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Solution

The fourth proportional to 741,781.42, 1,112,694.78 and 255,458.32 is: 383,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,781.42 : 1,112,694.78 = 255,458.32 : x
  2. Step 2: Convert to fraction form
    741,781.42/1,112,694.78 = 255,458.32/x
  3. Step 3: Cross multiply
    741,781.42x = 1,112,694.78 × 255,458.32
  4. Step 4: Simplify right side
    741,781.42x = 284,247,139,171.57
  5. Step 5: Solve for x
    x = 284,247,139,171.57/741,781.42
  6. Step 6: Final answer
    x = 383,195.28

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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.