Home / 693,344.80-1,040,132.40-272,634.40

Finding the Fourth Proportional to 693,344.80, 1,040,132.40 and 272,634.40

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Solution

The fourth proportional to 693,344.80, 1,040,132.40 and 272,634.40 is: 408,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,344.80 : 1,040,132.40 = 272,634.40 : x
  2. Step 2: Convert to fraction form
    693,344.80/1,040,132.40 = 272,634.40/x
  3. Step 3: Cross multiply
    693,344.80x = 1,040,132.40 × 272,634.40
  4. Step 4: Simplify right side
    693,344.80x = 283,575,872,794.56
  5. Step 5: Solve for x
    x = 283,575,872,794.56/693,344.80
  6. Step 6: Final answer
    x = 408,996.90

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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.