Home / 689,047.20-1,033,147.44-267,832.08

Finding the Fourth Proportional to 689,047.20, 1,033,147.44 and 267,832.08

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Solution

The fourth proportional to 689,047.20, 1,033,147.44 and 267,832.08 is: 401,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,047.20 : 1,033,147.44 = 267,832.08 : x
  2. Step 2: Convert to fraction form
    689,047.20/1,033,147.44 = 267,832.08/x
  3. Step 3: Cross multiply
    689,047.20x = 1,033,147.44 × 267,832.08
  4. Step 4: Simplify right side
    689,047.20x = 276,710,027,801.88
  5. Step 5: Solve for x
    x = 276,710,027,801.88/689,047.20
  6. Step 6: Final answer
    x = 401,583.56

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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.