Home / 826,541.28-1,239,811.92-265,969.44

Finding the Fourth Proportional to 826,541.28, 1,239,811.92 and 265,969.44

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Solution

The fourth proportional to 826,541.28, 1,239,811.92 and 265,969.44 is: 398,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,541.28 : 1,239,811.92 = 265,969.44 : x
  2. Step 2: Convert to fraction form
    826,541.28/1,239,811.92 = 265,969.44/x
  3. Step 3: Cross multiply
    826,541.28x = 1,239,811.92 × 265,969.44
  4. Step 4: Simplify right side
    826,541.28x = 329,752,082,067.73
  5. Step 5: Solve for x
    x = 329,752,082,067.73/826,541.28
  6. Step 6: Final answer
    x = 398,954.16

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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.