Home / 851,734.86-1,277,729.87-275,165.47

Finding the Fourth Proportional to 851,734.86, 1,277,729.87 and 275,165.47

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Solution

The fourth proportional to 851,734.86, 1,277,729.87 and 275,165.47 is: 412,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,734.86 : 1,277,729.87 = 275,165.47 : x
  2. Step 2: Convert to fraction form
    851,734.86/1,277,729.87 = 275,165.47/x
  3. Step 3: Cross multiply
    851,734.86x = 1,277,729.87 × 275,165.47
  4. Step 4: Simplify right side
    851,734.86x = 351,587,140,211.59
  5. Step 5: Solve for x
    x = 351,587,140,211.59/851,734.86
  6. Step 6: Final answer
    x = 412,789.42

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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.