Home / 800,365.05-1,200,610.76-267,888.06

Finding the Fourth Proportional to 800,365.05, 1,200,610.76 and 267,888.06

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Solution

The fourth proportional to 800,365.05, 1,200,610.76 and 267,888.06 is: 401,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,365.05 : 1,200,610.76 = 267,888.06 : x
  2. Step 2: Convert to fraction form
    800,365.05/1,200,610.76 = 267,888.06/x
  3. Step 3: Cross multiply
    800,365.05x = 1,200,610.76 × 267,888.06
  4. Step 4: Simplify right side
    800,365.05x = 321,629,285,972.09
  5. Step 5: Solve for x
    x = 321,629,285,972.09/800,365.05
  6. Step 6: Final answer
    x = 401,853.24

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1.5x scale

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.