Home / 751,906.80-1,127,860.20-219,481.65

Finding the Fourth Proportional to 751,906.80, 1,127,860.20 and 219,481.65

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Solution

The fourth proportional to 751,906.80, 1,127,860.20 and 219,481.65 is: 329,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,906.80 : 1,127,860.20 = 219,481.65 : x
  2. Step 2: Convert to fraction form
    751,906.80/1,127,860.20 = 219,481.65/x
  3. Step 3: Cross multiply
    751,906.80x = 1,127,860.20 × 219,481.65
  4. Step 4: Simplify right side
    751,906.80x = 247,544,617,665.33
  5. Step 5: Solve for x
    x = 247,544,617,665.33/751,906.80
  6. Step 6: Final answer
    x = 329,222.48

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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.