Home / 728,728.20-1,093,092.30-230,092.20

Finding the Fourth Proportional to 728,728.20, 1,093,092.30 and 230,092.20

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Solution

The fourth proportional to 728,728.20, 1,093,092.30 and 230,092.20 is: 345,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,728.20 : 1,093,092.30 = 230,092.20 : x
  2. Step 2: Convert to fraction form
    728,728.20/1,093,092.30 = 230,092.20/x
  3. Step 3: Cross multiply
    728,728.20x = 1,093,092.30 × 230,092.20
  4. Step 4: Simplify right side
    728,728.20x = 251,512,012,110.06
  5. Step 5: Solve for x
    x = 251,512,012,110.06/728,728.20
  6. Step 6: Final answer
    x = 345,138.30

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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.