Home / 800,388.08-1,200,645.30-267,911.06

Finding the Fourth Proportional to 800,388.08, 1,200,645.30 and 267,911.06

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Solution

The fourth proportional to 800,388.08, 1,200,645.30 and 267,911.06 is: 401,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,388.08 : 1,200,645.30 = 267,911.06 : x
  2. Step 2: Convert to fraction form
    800,388.08/1,200,645.30 = 267,911.06/x
  3. Step 3: Cross multiply
    800,388.08x = 1,200,645.30 × 267,911.06
  4. Step 4: Simplify right side
    800,388.08x = 321,666,155,007.02
  5. Step 5: Solve for x
    x = 321,666,155,007.02/800,388.08
  6. Step 6: Final answer
    x = 401,887.74

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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.