Home / 687,797.40-1,032,072.66-267,089.88

Finding the Fourth Proportional to 687,797.40, 1,032,072.66 and 267,089.88

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Solution

The fourth proportional to 687,797.40, 1,032,072.66 and 267,089.88 is: 400,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,797.40 : 1,032,072.66 = 267,089.88 : x
  2. Step 2: Convert to fraction form
    687,797.40/1,032,072.66 = 267,089.88/x
  3. Step 3: Cross multiply
    687,797.40x = 1,032,072.66 × 267,089.88
  4. Step 4: Simplify right side
    687,797.40x = 275,656,162,910.68
  5. Step 5: Solve for x
    x = 275,656,162,910.68/687,797.40
  6. Step 6: Final answer
    x = 400,781.05

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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.