Home / 814,998.60-1,222,443.23-215,946.90

Finding the Fourth Proportional to 814,998.60, 1,222,443.23 and 215,946.90

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Solution

The fourth proportional to 814,998.60, 1,222,443.23 and 215,946.90 is: 323,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,998.60 : 1,222,443.23 = 215,946.90 : x
  2. Step 2: Convert to fraction form
    814,998.60/1,222,443.23 = 215,946.90/x
  3. Step 3: Cross multiply
    814,998.60x = 1,222,443.23 × 215,946.90
  4. Step 4: Simplify right side
    814,998.60x = 263,982,824,864.75
  5. Step 5: Solve for x
    x = 263,982,824,864.75/814,998.60
  6. Step 6: Final answer
    x = 323,905.86

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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.