Home / 851,836.44-1,278,001.16-275,447.43

Finding the Fourth Proportional to 851,836.44, 1,278,001.16 and 275,447.43

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Solution

The fourth proportional to 851,836.44, 1,278,001.16 and 275,447.43 is: 413,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,836.44 : 1,278,001.16 = 275,447.43 : x
  2. Step 2: Convert to fraction form
    851,836.44/1,278,001.16 = 275,447.43/x
  3. Step 3: Cross multiply
    851,836.44x = 1,278,001.16 × 275,447.43
  4. Step 4: Simplify right side
    851,836.44x = 352,022,134,714.71
  5. Step 5: Solve for x
    x = 352,022,134,714.71/851,836.44
  6. Step 6: Final answer
    x = 413,250.85

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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.