Home / 851,257.68-1,277,074.44-252,266.64

Finding the Fourth Proportional to 851,257.68, 1,277,074.44 and 252,266.64

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Solution

The fourth proportional to 851,257.68, 1,277,074.44 and 252,266.64 is: 378,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,257.68 : 1,277,074.44 = 252,266.64 : x
  2. Step 2: Convert to fraction form
    851,257.68/1,277,074.44 = 252,266.64/x
  3. Step 3: Cross multiply
    851,257.68x = 1,277,074.44 × 252,266.64
  4. Step 4: Simplify right side
    851,257.68x = 322,163,278,008.68
  5. Step 5: Solve for x
    x = 322,163,278,008.68/851,257.68
  6. Step 6: Final answer
    x = 378,455.65

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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.