Home / 828,682.38-1,243,020.02-229,641.82

Finding the Fourth Proportional to 828,682.38, 1,243,020.02 and 229,641.82

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Solution

The fourth proportional to 828,682.38, 1,243,020.02 and 229,641.82 is: 344,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,682.38 : 1,243,020.02 = 229,641.82 : x
  2. Step 2: Convert to fraction form
    828,682.38/1,243,020.02 = 229,641.82/x
  3. Step 3: Cross multiply
    828,682.38x = 1,243,020.02 × 229,641.82
  4. Step 4: Simplify right side
    828,682.38x = 285,449,379,689.24
  5. Step 5: Solve for x
    x = 285,449,379,689.24/828,682.38
  6. Step 6: Final answer
    x = 344,461.75

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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.