Home / 851,719.46-1,277,579.14-220,633.26

Finding the Fourth Proportional to 851,719.46, 1,277,579.14 and 220,633.26

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Solution

The fourth proportional to 851,719.46, 1,277,579.14 and 220,633.26 is: 330,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,719.46 : 1,277,579.14 = 220,633.26 : x
  2. Step 2: Convert to fraction form
    851,719.46/1,277,579.14 = 220,633.26/x
  3. Step 3: Cross multiply
    851,719.46x = 1,277,579.14 × 220,633.26
  4. Step 4: Simplify right side
    851,719.46x = 281,876,450,566.20
  5. Step 5: Solve for x
    x = 281,876,450,566.20/851,719.46
  6. Step 6: Final answer
    x = 330,949.88

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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.