Home / 481,039.06-721,441.94-200,403.22

Finding the Fourth Proportional to 481,039.06, 721,441.94 and 200,403.22

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Solution

The fourth proportional to 481,039.06, 721,441.94 and 200,403.22 is: 300,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,039.06 : 721,441.94 = 200,403.22 : x
  2. Step 2: Convert to fraction form
    481,039.06/721,441.94 = 200,403.22/x
  3. Step 3: Cross multiply
    481,039.06x = 721,441.94 × 200,403.22
  4. Step 4: Simplify right side
    481,039.06x = 144,579,287,819.05
  5. Step 5: Solve for x
    x = 144,579,287,819.05/481,039.06
  6. Step 6: Final answer
    x = 300,556.23

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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.