Home / 951,436.80-1,313,043.48-628,580.52

Finding the Fourth Proportional to 951,436.80, 1,313,043.48 and 628,580.52

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Solution

The fourth proportional to 951,436.80, 1,313,043.48 and 628,580.52 is: 867,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,436.80 : 1,313,043.48 = 628,580.52 : x
  2. Step 2: Convert to fraction form
    951,436.80/1,313,043.48 = 628,580.52/x
  3. Step 3: Cross multiply
    951,436.80x = 1,313,043.48 × 628,580.52
  4. Step 4: Simplify right side
    951,436.80x = 825,353,553,441.01
  5. Step 5: Solve for x
    x = 825,353,553,441.01/951,436.80
  6. Step 6: Final answer
    x = 867,481.22

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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.