Home / 675,356.56-1,013,105.78-219,983.28

Finding the Fourth Proportional to 675,356.56, 1,013,105.78 and 219,983.28

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Solution

The fourth proportional to 675,356.56, 1,013,105.78 and 219,983.28 is: 329,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,356.56 : 1,013,105.78 = 219,983.28 : x
  2. Step 2: Convert to fraction form
    675,356.56/1,013,105.78 = 219,983.28/x
  3. Step 3: Cross multiply
    675,356.56x = 1,013,105.78 × 219,983.28
  4. Step 4: Simplify right side
    675,356.56x = 222,866,327,405.83
  5. Step 5: Solve for x
    x = 222,866,327,405.83/675,356.56
  6. Step 6: Final answer
    x = 329,998.02

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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.