Home / 814,654.54-1,222,041.76-215,611.64

Finding the Fourth Proportional to 814,654.54, 1,222,041.76 and 215,611.64

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Solution

The fourth proportional to 814,654.54, 1,222,041.76 and 215,611.64 is: 323,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,654.54 : 1,222,041.76 = 215,611.64 : x
  2. Step 2: Convert to fraction form
    814,654.54/1,222,041.76 = 215,611.64/x
  3. Step 3: Cross multiply
    814,654.54x = 1,222,041.76 × 215,611.64
  4. Step 4: Simplify right side
    814,654.54x = 263,486,428,022.09
  5. Step 5: Solve for x
    x = 263,486,428,022.09/814,654.54
  6. Step 6: Final answer
    x = 323,433.33

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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.