Home / 809,665.30-1,214,414.49-269,863.25

Finding the Fourth Proportional to 809,665.30, 1,214,414.49 and 269,863.25

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Solution

The fourth proportional to 809,665.30, 1,214,414.49 and 269,863.25 is: 404,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,665.30 : 1,214,414.49 = 269,863.25 : x
  2. Step 2: Convert to fraction form
    809,665.30/1,214,414.49 = 269,863.25/x
  3. Step 3: Cross multiply
    809,665.30x = 1,214,414.49 × 269,863.25
  4. Step 4: Simplify right side
    809,665.30x = 327,725,842,889.49
  5. Step 5: Solve for x
    x = 327,725,842,889.49/809,665.30
  6. Step 6: Final answer
    x = 404,767.06

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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.