Home / 728,195.82-1,092,254.47-222,756.89

Finding the Fourth Proportional to 728,195.82, 1,092,254.47 and 222,756.89

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Solution

The fourth proportional to 728,195.82, 1,092,254.47 and 222,756.89 is: 334,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,195.82 : 1,092,254.47 = 222,756.89 : x
  2. Step 2: Convert to fraction form
    728,195.82/1,092,254.47 = 222,756.89/x
  3. Step 3: Cross multiply
    728,195.82x = 1,092,254.47 × 222,756.89
  4. Step 4: Simplify right side
    728,195.82x = 243,307,204,060.64
  5. Step 5: Solve for x
    x = 243,307,204,060.64/728,195.82
  6. Step 6: Final answer
    x = 334,123.32

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Double scale
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Similar ratio
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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.