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Finding the Fourth Proportional to 809,452.88, 1,213,967.88 and 240,680.84

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Solution

The fourth proportional to 809,452.88, 1,213,967.88 and 240,680.84 is: 360,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,452.88 : 1,213,967.88 = 240,680.84 : x
  2. Step 2: Convert to fraction form
    809,452.88/1,213,967.88 = 240,680.84/x
  3. Step 3: Cross multiply
    809,452.88x = 1,213,967.88 × 240,680.84
  4. Step 4: Simplify right side
    809,452.88x = 292,178,809,091.42
  5. Step 5: Solve for x
    x = 292,178,809,091.42/809,452.88
  6. Step 6: Final answer
    x = 360,958.39

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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.