Home / 809,864.24-1,214,388.56-269,929.28

Finding the Fourth Proportional to 809,864.24, 1,214,388.56 and 269,929.28

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Solution

The fourth proportional to 809,864.24, 1,214,388.56 and 269,929.28 is: 404,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,864.24 : 1,214,388.56 = 269,929.28 : x
  2. Step 2: Convert to fraction form
    809,864.24/1,214,388.56 = 269,929.28/x
  3. Step 3: Cross multiply
    809,864.24x = 1,214,388.56 × 269,929.28
  4. Step 4: Simplify right side
    809,864.24x = 327,799,029,641.04
  5. Step 5: Solve for x
    x = 327,799,029,641.04/809,864.24
  6. Step 6: Final answer
    x = 404,758.00

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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.