Home / 828,778.16-1,243,044.17-229,676.86

Finding the Fourth Proportional to 828,778.16, 1,243,044.17 and 229,676.86

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Solution

The fourth proportional to 828,778.16, 1,243,044.17 and 229,676.86 is: 344,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,778.16 : 1,243,044.17 = 229,676.86 : x
  2. Step 2: Convert to fraction form
    828,778.16/1,243,044.17 = 229,676.86/x
  3. Step 3: Cross multiply
    828,778.16x = 1,243,044.17 × 229,676.86
  4. Step 4: Simplify right side
    828,778.16x = 285,498,481,806.91
  5. Step 5: Solve for x
    x = 285,498,481,806.91/828,778.16
  6. Step 6: Final answer
    x = 344,481.18

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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.