Home / 568,396.20-851,471.10-288,114.60

Finding the Fourth Proportional to 568,396.20, 851,471.10 and 288,114.60

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Solution

The fourth proportional to 568,396.20, 851,471.10 and 288,114.60 is: 431,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,396.20 : 851,471.10 = 288,114.60 : x
  2. Step 2: Convert to fraction form
    568,396.20/851,471.10 = 288,114.60/x
  3. Step 3: Cross multiply
    568,396.20x = 851,471.10 × 288,114.60
  4. Step 4: Simplify right side
    568,396.20x = 245,321,255,388.06
  5. Step 5: Solve for x
    x = 245,321,255,388.06/568,396.20
  6. Step 6: Final answer
    x = 431,602.56

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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.