Home / 689,099.20-1,033,225.44-267,884.08

Finding the Fourth Proportional to 689,099.20, 1,033,225.44 and 267,884.08

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Solution

The fourth proportional to 689,099.20, 1,033,225.44 and 267,884.08 is: 401,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,099.20 : 1,033,225.44 = 267,884.08 : x
  2. Step 2: Convert to fraction form
    689,099.20/1,033,225.44 = 267,884.08/x
  3. Step 3: Cross multiply
    689,099.20x = 1,033,225.44 × 267,884.08
  4. Step 4: Simplify right side
    689,099.20x = 276,784,646,427.00
  5. Step 5: Solve for x
    x = 276,784,646,427.00/689,099.20
  6. Step 6: Final answer
    x = 401,661.54

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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.