Home / 693,354.60-1,040,129.10-272,532.60

Finding the Fourth Proportional to 693,354.60, 1,040,129.10 and 272,532.60

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Solution

The fourth proportional to 693,354.60, 1,040,129.10 and 272,532.60 is: 408,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,354.60 : 1,040,129.10 = 272,532.60 : x
  2. Step 2: Convert to fraction form
    693,354.60/1,040,129.10 = 272,532.60/x
  3. Step 3: Cross multiply
    693,354.60x = 1,040,129.10 × 272,532.60
  4. Step 4: Simplify right side
    693,354.60x = 283,469,087,958.66
  5. Step 5: Solve for x
    x = 283,469,087,958.66/693,354.60
  6. Step 6: Final answer
    x = 408,837.11

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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.