Home / 728,964.42-1,093,321.98-196,360.90

Finding the Fourth Proportional to 728,964.42, 1,093,321.98 and 196,360.90

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Solution

The fourth proportional to 728,964.42, 1,093,321.98 and 196,360.90 is: 294,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,964.42 : 1,093,321.98 = 196,360.90 : x
  2. Step 2: Convert to fraction form
    728,964.42/1,093,321.98 = 196,360.90/x
  3. Step 3: Cross multiply
    728,964.42x = 1,093,321.98 × 196,360.90
  4. Step 4: Simplify right side
    728,964.42x = 214,685,687,982.58
  5. Step 5: Solve for x
    x = 214,685,687,982.58/728,964.42
  6. Step 6: Final answer
    x = 294,507.77

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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.