Home / 669,169.09-1,003,911.59-219,891.25

Finding the Fourth Proportional to 669,169.09, 1,003,911.59 and 219,891.25

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Solution

The fourth proportional to 669,169.09, 1,003,911.59 and 219,891.25 is: 329,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,169.09 : 1,003,911.59 = 219,891.25 : x
  2. Step 2: Convert to fraction form
    669,169.09/1,003,911.59 = 219,891.25/x
  3. Step 3: Cross multiply
    669,169.09x = 1,003,911.59 × 219,891.25
  4. Step 4: Simplify right side
    669,169.09x = 220,751,374,414.59
  5. Step 5: Solve for x
    x = 220,751,374,414.59/669,169.09
  6. Step 6: Final answer
    x = 329,888.78

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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.