Home / 728,757.54-1,093,012.38-196,159.86

Finding the Fourth Proportional to 728,757.54, 1,093,012.38 and 196,159.86

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Solution

The fourth proportional to 728,757.54, 1,093,012.38 and 196,159.86 is: 294,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,757.54 : 1,093,012.38 = 196,159.86 : x
  2. Step 2: Convert to fraction form
    728,757.54/1,093,012.38 = 196,159.86/x
  3. Step 3: Cross multiply
    728,757.54x = 1,093,012.38 × 196,159.86
  4. Step 4: Simplify right side
    728,757.54x = 214,405,155,439.07
  5. Step 5: Solve for x
    x = 214,405,155,439.07/728,757.54
  6. Step 6: Final answer
    x = 294,206.43

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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.