Home / 805,229.10-1,207,996.05-265,516.38

Finding the Fourth Proportional to 805,229.10, 1,207,996.05 and 265,516.38

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Solution

The fourth proportional to 805,229.10, 1,207,996.05 and 265,516.38 is: 398,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,229.10 : 1,207,996.05 = 265,516.38 : x
  2. Step 2: Convert to fraction form
    805,229.10/1,207,996.05 = 265,516.38/x
  3. Step 3: Cross multiply
    805,229.10x = 1,207,996.05 × 265,516.38
  4. Step 4: Simplify right side
    805,229.10x = 320,742,738,250.30
  5. Step 5: Solve for x
    x = 320,742,738,250.30/805,229.10
  6. Step 6: Final answer
    x = 398,324.82

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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.