Home / 728,687.70-1,093,031.55-230,051.70

Finding the Fourth Proportional to 728,687.70, 1,093,031.55 and 230,051.70

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Solution

The fourth proportional to 728,687.70, 1,093,031.55 and 230,051.70 is: 345,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,687.70 : 1,093,031.55 = 230,051.70 : x
  2. Step 2: Convert to fraction form
    728,687.70/1,093,031.55 = 230,051.70/x
  3. Step 3: Cross multiply
    728,687.70x = 1,093,031.55 × 230,051.70
  4. Step 4: Simplify right side
    728,687.70x = 251,453,766,231.14
  5. Step 5: Solve for x
    x = 251,453,766,231.14/728,687.70
  6. Step 6: Final answer
    x = 345,077.55

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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.