Home / 828,758.55-1,243,147.04-229,724.90

Finding the Fourth Proportional to 828,758.55, 1,243,147.04 and 229,724.90

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Solution

The fourth proportional to 828,758.55, 1,243,147.04 and 229,724.90 is: 344,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,758.55 : 1,243,147.04 = 229,724.90 : x
  2. Step 2: Convert to fraction form
    828,758.55/1,243,147.04 = 229,724.90/x
  3. Step 3: Cross multiply
    828,758.55x = 1,243,147.04 × 229,724.90
  4. Step 4: Simplify right side
    828,758.55x = 285,581,822,084.94
  5. Step 5: Solve for x
    x = 285,581,822,084.94/828,758.55
  6. Step 6: Final answer
    x = 344,589.90

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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.