Home / 667,345.98-1,001,065.65-267,986.74

Finding the Fourth Proportional to 667,345.98, 1,001,065.65 and 267,986.74

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Solution

The fourth proportional to 667,345.98, 1,001,065.65 and 267,986.74 is: 401,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,345.98 : 1,001,065.65 = 267,986.74 : x
  2. Step 2: Convert to fraction form
    667,345.98/1,001,065.65 = 267,986.74/x
  3. Step 3: Cross multiply
    667,345.98x = 1,001,065.65 × 267,986.74
  4. Step 4: Simplify right side
    667,345.98x = 268,272,320,069.48
  5. Step 5: Solve for x
    x = 268,272,320,069.48/667,345.98
  6. Step 6: Final answer
    x = 401,998.86

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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.