Home / 842,998.31-1,263,906.05-310,451.04

Finding the Fourth Proportional to 842,998.31, 1,263,906.05 and 310,451.04

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Solution

The fourth proportional to 842,998.31, 1,263,906.05 and 310,451.04 is: 465,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,998.31 : 1,263,906.05 = 310,451.04 : x
  2. Step 2: Convert to fraction form
    842,998.31/1,263,906.05 = 310,451.04/x
  3. Step 3: Cross multiply
    842,998.31x = 1,263,906.05 × 310,451.04
  4. Step 4: Simplify right side
    842,998.31x = 392,380,946,132.54
  5. Step 5: Solve for x
    x = 392,380,946,132.54/842,998.31
  6. Step 6: Final answer
    x = 465,458.76

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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.