Home / 728,082.90-1,092,616.38-254,772.36

Finding the Fourth Proportional to 728,082.90, 1,092,616.38 and 254,772.36

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Solution

The fourth proportional to 728,082.90, 1,092,616.38 and 254,772.36 is: 382,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,082.90 : 1,092,616.38 = 254,772.36 : x
  2. Step 2: Convert to fraction form
    728,082.90/1,092,616.38 = 254,772.36/x
  3. Step 3: Cross multiply
    728,082.90x = 1,092,616.38 × 254,772.36
  4. Step 4: Simplify right side
    728,082.90x = 278,368,453,707.26
  5. Step 5: Solve for x
    x = 278,368,453,707.26/728,082.90
  6. Step 6: Final answer
    x = 382,330.71

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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.