Home / 728,357.76-1,092,119.04-222,778.08

Finding the Fourth Proportional to 728,357.76, 1,092,119.04 and 222,778.08

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Solution

The fourth proportional to 728,357.76, 1,092,119.04 and 222,778.08 is: 334,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,357.76 : 1,092,119.04 = 222,778.08 : x
  2. Step 2: Convert to fraction form
    728,357.76/1,092,119.04 = 222,778.08/x
  3. Step 3: Cross multiply
    728,357.76x = 1,092,119.04 × 222,778.08
  4. Step 4: Simplify right side
    728,357.76x = 243,300,182,862.64
  5. Step 5: Solve for x
    x = 243,300,182,862.64/728,357.76
  6. Step 6: Final answer
    x = 334,039.39

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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.