Home / 861,707.48-1,292,560.20-230,604.86

Finding the Fourth Proportional to 861,707.48, 1,292,560.20 and 230,604.86

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Solution

The fourth proportional to 861,707.48, 1,292,560.20 and 230,604.86 is: 345,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,707.48 : 1,292,560.20 = 230,604.86 : x
  2. Step 2: Convert to fraction form
    861,707.48/1,292,560.20 = 230,604.86/x
  3. Step 3: Cross multiply
    861,707.48x = 1,292,560.20 × 230,604.86
  4. Step 4: Simplify right side
    861,707.48x = 298,070,663,962.57
  5. Step 5: Solve for x
    x = 298,070,663,962.57/861,707.48
  6. Step 6: Final answer
    x = 345,907.02

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1.5x scale

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.