Home / 550,890.05-826,053.78-323,629.54

Finding the Fourth Proportional to 550,890.05, 826,053.78 and 323,629.54

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Solution

The fourth proportional to 550,890.05, 826,053.78 and 323,629.54 is: 485,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,890.05 : 826,053.78 = 323,629.54 : x
  2. Step 2: Convert to fraction form
    550,890.05/826,053.78 = 323,629.54/x
  3. Step 3: Cross multiply
    550,890.05x = 826,053.78 × 323,629.54
  4. Step 4: Simplify right side
    550,890.05x = 267,335,404,691.67
  5. Step 5: Solve for x
    x = 267,335,404,691.67/550,890.05
  6. Step 6: Final answer
    x = 485,279.06

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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.