Home / 481,127-721,558.92-267,631.88

Finding the Fourth Proportional to 481,127, 721,558.92 and 267,631.88

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Solution

The fourth proportional to 481,127, 721,558.92 and 267,631.88 is: 401,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,127 : 721,558.92 = 267,631.88 : x
  2. Step 2: Convert to fraction form
    481,127/721,558.92 = 267,631.88/x
  3. Step 3: Cross multiply
    481,127x = 721,558.92 × 267,631.88
  4. Step 4: Simplify right side
    481,127x = 193,112,170,290.37
  5. Step 5: Solve for x
    x = 193,112,170,290.37/481,127
  6. Step 6: Final answer
    x = 401,374.63

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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.