Home / 667,344.98-1,001,064.15-267,985.74

Finding the Fourth Proportional to 667,344.98, 1,001,064.15 and 267,985.74

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Solution

The fourth proportional to 667,344.98, 1,001,064.15 and 267,985.74 is: 401,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,344.98 : 1,001,064.15 = 267,985.74 : x
  2. Step 2: Convert to fraction form
    667,344.98/1,001,064.15 = 267,985.74/x
  3. Step 3: Cross multiply
    667,344.98x = 1,001,064.15 × 267,985.74
  4. Step 4: Simplify right side
    667,344.98x = 268,270,917,025.22
  5. Step 5: Solve for x
    x = 268,270,917,025.22/667,344.98
  6. Step 6: Final answer
    x = 401,997.36

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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.