Home / 792,780.44-1,189,352.28-343,576.76

Finding the Fourth Proportional to 792,780.44, 1,189,352.28 and 343,576.76

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Solution

The fourth proportional to 792,780.44, 1,189,352.28 and 343,576.76 is: 515,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,780.44 : 1,189,352.28 = 343,576.76 : x
  2. Step 2: Convert to fraction form
    792,780.44/1,189,352.28 = 343,576.76/x
  3. Step 3: Cross multiply
    792,780.44x = 1,189,352.28 × 343,576.76
  4. Step 4: Simplify right side
    792,780.44x = 408,633,802,861.01
  5. Step 5: Solve for x
    x = 408,633,802,861.01/792,780.44
  6. Step 6: Final answer
    x = 515,443.85

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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.