Home / 828,707.72-1,243,124.24-229,661.96

Finding the Fourth Proportional to 828,707.72, 1,243,124.24 and 229,661.96

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Solution

The fourth proportional to 828,707.72, 1,243,124.24 and 229,661.96 is: 344,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,707.72 : 1,243,124.24 = 229,661.96 : x
  2. Step 2: Convert to fraction form
    828,707.72/1,243,124.24 = 229,661.96/x
  3. Step 3: Cross multiply
    828,707.72x = 1,243,124.24 × 229,661.96
  4. Step 4: Simplify right side
    828,707.72x = 285,498,349,481.91
  5. Step 5: Solve for x
    x = 285,498,349,481.91/828,707.72
  6. Step 6: Final answer
    x = 344,510.31

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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.