Home / 728,908.32-1,093,323.60-196,420.80

Finding the Fourth Proportional to 728,908.32, 1,093,323.60 and 196,420.80

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Solution

The fourth proportional to 728,908.32, 1,093,323.60 and 196,420.80 is: 294,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,908.32 : 1,093,323.60 = 196,420.80 : x
  2. Step 2: Convert to fraction form
    728,908.32/1,093,323.60 = 196,420.80/x
  3. Step 3: Cross multiply
    728,908.32x = 1,093,323.60 × 196,420.80
  4. Step 4: Simplify right side
    728,908.32x = 214,751,496,170.88
  5. Step 5: Solve for x
    x = 214,751,496,170.88/728,908.32
  6. Step 6: Final answer
    x = 294,620.72

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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.