Home / 682,906.40-1,022,977.20-472,781.60

Finding the Fourth Proportional to 682,906.40, 1,022,977.20 and 472,781.60

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Solution

The fourth proportional to 682,906.40, 1,022,977.20 and 472,781.60 is: 708,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,906.40 : 1,022,977.20 = 472,781.60 : x
  2. Step 2: Convert to fraction form
    682,906.40/1,022,977.20 = 472,781.60/x
  3. Step 3: Cross multiply
    682,906.40x = 1,022,977.20 × 472,781.60
  4. Step 4: Simplify right side
    682,906.40x = 483,644,797,379.52
  5. Step 5: Solve for x
    x = 483,644,797,379.52/682,906.40
  6. Step 6: Final answer
    x = 708,215.35

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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.