Home / 951,286.64-1,312,836.35-628,430.76

Finding the Fourth Proportional to 951,286.64, 1,312,836.35 and 628,430.76

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Solution

The fourth proportional to 951,286.64, 1,312,836.35 and 628,430.76 is: 867,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,286.64 : 1,312,836.35 = 628,430.76 : x
  2. Step 2: Convert to fraction form
    951,286.64/1,312,836.35 = 628,430.76/x
  3. Step 3: Cross multiply
    951,286.64x = 1,312,836.35 × 628,430.76
  4. Step 4: Simplify right side
    951,286.64x = 825,026,742,043.97
  5. Step 5: Solve for x
    x = 825,026,742,043.97/951,286.64
  6. Step 6: Final answer
    x = 867,274.61

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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.