Home / 726,523.83-1,089,791.82-253,208.43

Finding the Fourth Proportional to 726,523.83, 1,089,791.82 and 253,208.43

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Solution

The fourth proportional to 726,523.83, 1,089,791.82 and 253,208.43 is: 379,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,523.83 : 1,089,791.82 = 253,208.43 : x
  2. Step 2: Convert to fraction form
    726,523.83/1,089,791.82 = 253,208.43/x
  3. Step 3: Cross multiply
    726,523.83x = 1,089,791.82 × 253,208.43
  4. Step 4: Simplify right side
    726,523.83x = 275,944,475,769.04
  5. Step 5: Solve for x
    x = 275,944,475,769.04/726,523.83
  6. Step 6: Final answer
    x = 379,814.76

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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.