Home / 728,199.20-1,092,104.40-222,759.20

Finding the Fourth Proportional to 728,199.20, 1,092,104.40 and 222,759.20

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Solution

The fourth proportional to 728,199.20, 1,092,104.40 and 222,759.20 is: 334,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,199.20 : 1,092,104.40 = 222,759.20 : x
  2. Step 2: Convert to fraction form
    728,199.20/1,092,104.40 = 222,759.20/x
  3. Step 3: Cross multiply
    728,199.20x = 1,092,104.40 × 222,759.20
  4. Step 4: Simplify right side
    728,199.20x = 243,276,302,460.48
  5. Step 5: Solve for x
    x = 243,276,302,460.48/728,199.20
  6. Step 6: Final answer
    x = 334,079.33

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1.5x scale

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.