Home / 951,471.30-1,313,091.09-628,615.02

Finding the Fourth Proportional to 951,471.30, 1,313,091.09 and 628,615.02

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Solution

The fourth proportional to 951,471.30, 1,313,091.09 and 628,615.02 is: 867,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,471.30 : 1,313,091.09 = 628,615.02 : x
  2. Step 2: Convert to fraction form
    951,471.30/1,313,091.09 = 628,615.02/x
  3. Step 3: Cross multiply
    951,471.30x = 1,313,091.09 × 628,615.02
  4. Step 4: Simplify right side
    951,471.30x = 825,428,781,802.17
  5. Step 5: Solve for x
    x = 825,428,781,802.17/951,471.30
  6. Step 6: Final answer
    x = 867,528.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.