Home / 728,778.56-1,093,329.60-223,409.60

Finding the Fourth Proportional to 728,778.56, 1,093,329.60 and 223,409.60

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Solution

The fourth proportional to 728,778.56, 1,093,329.60 and 223,409.60 is: 335,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,778.56 : 1,093,329.60 = 223,409.60 : x
  2. Step 2: Convert to fraction form
    728,778.56/1,093,329.60 = 223,409.60/x
  3. Step 3: Cross multiply
    728,778.56x = 1,093,329.60 × 223,409.60
  4. Step 4: Simplify right side
    728,778.56x = 244,260,328,604.16
  5. Step 5: Solve for x
    x = 244,260,328,604.16/728,778.56
  6. Step 6: Final answer
    x = 335,163.99

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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.