Home / 494,078.72-681,829.68-267,724.28

Finding the Fourth Proportional to 494,078.72, 681,829.68 and 267,724.28

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Solution

The fourth proportional to 494,078.72, 681,829.68 and 267,724.28 is: 369,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,078.72 : 681,829.68 = 267,724.28 : x
  2. Step 2: Convert to fraction form
    494,078.72/681,829.68 = 267,724.28/x
  3. Step 3: Cross multiply
    494,078.72x = 681,829.68 × 267,724.28
  4. Step 4: Simplify right side
    494,078.72x = 182,542,360,160.63
  5. Step 5: Solve for x
    x = 182,542,360,160.63/494,078.72
  6. Step 6: Final answer
    x = 369,460.07

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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.