Home / 715,400.44-1,073,266.62-209,941

Finding the Fourth Proportional to 715,400.44, 1,073,266.62 and 209,941

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Solution

The fourth proportional to 715,400.44, 1,073,266.62 and 209,941 is: 314,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,400.44 : 1,073,266.62 = 209,941 : x
  2. Step 2: Convert to fraction form
    715,400.44/1,073,266.62 = 209,941/x
  3. Step 3: Cross multiply
    715,400.44x = 1,073,266.62 × 209,941
  4. Step 4: Simplify right side
    715,400.44x = 225,322,667,469.42
  5. Step 5: Solve for x
    x = 225,322,667,469.42/715,400.44
  6. Step 6: Final answer
    x = 314,960.20

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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.