Home / 728,141.62-1,092,211.48-195,662.66

Finding the Fourth Proportional to 728,141.62, 1,092,211.48 and 195,662.66

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Solution

The fourth proportional to 728,141.62, 1,092,211.48 and 195,662.66 is: 293,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,141.62 : 1,092,211.48 = 195,662.66 : x
  2. Step 2: Convert to fraction form
    728,141.62/1,092,211.48 = 195,662.66/x
  3. Step 3: Cross multiply
    728,141.62x = 1,092,211.48 × 195,662.66
  4. Step 4: Simplify right side
    728,141.62x = 213,705,000,764.40
  5. Step 5: Solve for x
    x = 213,705,000,764.40/728,141.62
  6. Step 6: Final answer
    x = 293,493.73

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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.