Home / 861,709.48-1,292,563.20-230,606.86

Finding the Fourth Proportional to 861,709.48, 1,292,563.20 and 230,606.86

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Solution

The fourth proportional to 861,709.48, 1,292,563.20 and 230,606.86 is: 345,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,709.48 : 1,292,563.20 = 230,606.86 : x
  2. Step 2: Convert to fraction form
    861,709.48/1,292,563.20 = 230,606.86/x
  3. Step 3: Cross multiply
    861,709.48x = 1,292,563.20 × 230,606.86
  4. Step 4: Simplify right side
    861,709.48x = 298,073,940,903.55
  5. Step 5: Solve for x
    x = 298,073,940,903.55/861,709.48
  6. Step 6: Final answer
    x = 345,910.02

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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.