Home / 689,173.20-1,033,336.44-267,958.08

Finding the Fourth Proportional to 689,173.20, 1,033,336.44 and 267,958.08

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Solution

The fourth proportional to 689,173.20, 1,033,336.44 and 267,958.08 is: 401,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,173.20 : 1,033,336.44 = 267,958.08 : x
  2. Step 2: Convert to fraction form
    689,173.20/1,033,336.44 = 267,958.08/x
  3. Step 3: Cross multiply
    689,173.20x = 1,033,336.44 × 267,958.08
  4. Step 4: Simplify right side
    689,173.20x = 276,890,848,456.44
  5. Step 5: Solve for x
    x = 276,890,848,456.44/689,173.20
  6. Step 6: Final answer
    x = 401,772.51

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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.