Home / 828,665.70-1,243,061.19-229,619.94

Finding the Fourth Proportional to 828,665.70, 1,243,061.19 and 229,619.94

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Solution

The fourth proportional to 828,665.70, 1,243,061.19 and 229,619.94 is: 344,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,665.70 : 1,243,061.19 = 229,619.94 : x
  2. Step 2: Convert to fraction form
    828,665.70/1,243,061.19 = 229,619.94/x
  3. Step 3: Cross multiply
    828,665.70x = 1,243,061.19 × 229,619.94
  4. Step 4: Simplify right side
    828,665.70x = 285,431,635,864.13
  5. Step 5: Solve for x
    x = 285,431,635,864.13/828,665.70
  6. Step 6: Final answer
    x = 344,447.27

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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.