Home / 851,249.76-1,277,061.44-252,257.79

Finding the Fourth Proportional to 851,249.76, 1,277,061.44 and 252,257.79

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Solution

The fourth proportional to 851,249.76, 1,277,061.44 and 252,257.79 is: 378,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,249.76 : 1,277,061.44 = 252,257.79 : x
  2. Step 2: Convert to fraction form
    851,249.76/1,277,061.44 = 252,257.79/x
  3. Step 3: Cross multiply
    851,249.76x = 1,277,061.44 × 252,257.79
  4. Step 4: Simplify right side
    851,249.76x = 322,148,696,548.62
  5. Step 5: Solve for x
    x = 322,148,696,548.62/851,249.76
  6. Step 6: Final answer
    x = 378,442.04

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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.