Home / 728,049.60-1,092,074.40-254,782.80

Finding the Fourth Proportional to 728,049.60, 1,092,074.40 and 254,782.80

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Solution

The fourth proportional to 728,049.60, 1,092,074.40 and 254,782.80 is: 382,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,049.60 : 1,092,074.40 = 254,782.80 : x
  2. Step 2: Convert to fraction form
    728,049.60/1,092,074.40 = 254,782.80/x
  3. Step 3: Cross multiply
    728,049.60x = 1,092,074.40 × 254,782.80
  4. Step 4: Simplify right side
    728,049.60x = 278,241,773,440.32
  5. Step 5: Solve for x
    x = 278,241,773,440.32/728,049.60
  6. Step 6: Final answer
    x = 382,174.20

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Similar ratio
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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.