Home / 851,149.28-1,276,910.82-252,157.34

Finding the Fourth Proportional to 851,149.28, 1,276,910.82 and 252,157.34

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Solution

The fourth proportional to 851,149.28, 1,276,910.82 and 252,157.34 is: 378,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,149.28 : 1,276,910.82 = 252,157.34 : x
  2. Step 2: Convert to fraction form
    851,149.28/1,276,910.82 = 252,157.34/x
  3. Step 3: Cross multiply
    851,149.28x = 1,276,910.82 × 252,157.34
  4. Step 4: Simplify right side
    851,149.28x = 321,982,435,788.42
  5. Step 5: Solve for x
    x = 321,982,435,788.42/851,149.28
  6. Step 6: Final answer
    x = 378,291.38

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Double scale
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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.