Home / 693,849.18-1,040,845.11-261,930.45

Finding the Fourth Proportional to 693,849.18, 1,040,845.11 and 261,930.45

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Solution

The fourth proportional to 693,849.18, 1,040,845.11 and 261,930.45 is: 392,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,849.18 : 1,040,845.11 = 261,930.45 : x
  2. Step 2: Convert to fraction form
    693,849.18/1,040,845.11 = 261,930.45/x
  3. Step 3: Cross multiply
    693,849.18x = 1,040,845.11 × 261,930.45
  4. Step 4: Simplify right side
    693,849.18x = 272,629,028,042.60
  5. Step 5: Solve for x
    x = 272,629,028,042.60/693,849.18
  6. Step 6: Final answer
    x = 392,922.61

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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.