Home / 728,209.03-1,092,273.91-222,770

Finding the Fourth Proportional to 728,209.03, 1,092,273.91 and 222,770

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Solution

The fourth proportional to 728,209.03, 1,092,273.91 and 222,770 is: 334,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,209.03 : 1,092,273.91 = 222,770 : x
  2. Step 2: Convert to fraction form
    728,209.03/1,092,273.91 = 222,770/x
  3. Step 3: Cross multiply
    728,209.03x = 1,092,273.91 × 222,770
  4. Step 4: Simplify right side
    728,209.03x = 243,325,857,816.85
  5. Step 5: Solve for x
    x = 243,325,857,816.85/728,209.03
  6. Step 6: Final answer
    x = 334,142.88

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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.