Home / 892,757.20-1,339,146.70-261,683.78

Finding the Fourth Proportional to 892,757.20, 1,339,146.70 and 261,683.78

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Solution

The fourth proportional to 892,757.20, 1,339,146.70 and 261,683.78 is: 392,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,757.20 : 1,339,146.70 = 261,683.78 : x
  2. Step 2: Convert to fraction form
    892,757.20/1,339,146.70 = 261,683.78/x
  3. Step 3: Cross multiply
    892,757.20x = 1,339,146.70 × 261,683.78
  4. Step 4: Simplify right side
    892,757.20x = 350,432,970,430.53
  5. Step 5: Solve for x
    x = 350,432,970,430.53/892,757.20
  6. Step 6: Final answer
    x = 392,528.86

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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.