Home / 892,754.20-1,339,142.19-261,680.77

Finding the Fourth Proportional to 892,754.20, 1,339,142.19 and 261,680.77

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Solution

The fourth proportional to 892,754.20, 1,339,142.19 and 261,680.77 is: 392,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,754.20 : 1,339,142.19 = 261,680.77 : x
  2. Step 2: Convert to fraction form
    892,754.20/1,339,142.19 = 261,680.77/x
  3. Step 3: Cross multiply
    892,754.20x = 1,339,142.19 × 261,680.77
  4. Step 4: Simplify right side
    892,754.20x = 350,427,759,418.69
  5. Step 5: Solve for x
    x = 350,427,759,418.69/892,754.20
  6. Step 6: Final answer
    x = 392,524.35

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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.