Home / 693,713.20-1,040,147.40-272,484.40

Finding the Fourth Proportional to 693,713.20, 1,040,147.40 and 272,484.40

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Solution

The fourth proportional to 693,713.20, 1,040,147.40 and 272,484.40 is: 408,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,713.20 : 1,040,147.40 = 272,484.40 : x
  2. Step 2: Convert to fraction form
    693,713.20/1,040,147.40 = 272,484.40/x
  3. Step 3: Cross multiply
    693,713.20x = 1,040,147.40 × 272,484.40
  4. Step 4: Simplify right side
    693,713.20x = 283,423,940,200.56
  5. Step 5: Solve for x
    x = 283,423,940,200.56/693,713.20
  6. Step 6: Final answer
    x = 408,560.69

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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.