Home / 828,665.34-1,243,024.76-229,632.28

Finding the Fourth Proportional to 828,665.34, 1,243,024.76 and 229,632.28

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Solution

The fourth proportional to 828,665.34, 1,243,024.76 and 229,632.28 is: 344,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,665.34 : 1,243,024.76 = 229,632.28 : x
  2. Step 2: Convert to fraction form
    828,665.34/1,243,024.76 = 229,632.28/x
  3. Step 3: Cross multiply
    828,665.34x = 1,243,024.76 × 229,632.28
  4. Step 4: Simplify right side
    828,665.34x = 285,438,609,735.25
  5. Step 5: Solve for x
    x = 285,438,609,735.25/828,665.34
  6. Step 6: Final answer
    x = 344,455.83

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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.