Home / 828,772.66-1,243,035.92-229,671.36

Finding the Fourth Proportional to 828,772.66, 1,243,035.92 and 229,671.36

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Solution

The fourth proportional to 828,772.66, 1,243,035.92 and 229,671.36 is: 344,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,772.66 : 1,243,035.92 = 229,671.36 : x
  2. Step 2: Convert to fraction form
    828,772.66/1,243,035.92 = 229,671.36/x
  3. Step 3: Cross multiply
    828,772.66x = 1,243,035.92 × 229,671.36
  4. Step 4: Simplify right side
    828,772.66x = 285,489,750,275.25
  5. Step 5: Solve for x
    x = 285,489,750,275.25/828,772.66
  6. Step 6: Final answer
    x = 344,472.93

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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.