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Finding the Fourth Proportional to 662,808.20, 994,212.30 and 486,098.60

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Solution

The fourth proportional to 662,808.20, 994,212.30 and 486,098.60 is: 729,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,808.20 : 994,212.30 = 486,098.60 : x
  2. Step 2: Convert to fraction form
    662,808.20/994,212.30 = 486,098.60/x
  3. Step 3: Cross multiply
    662,808.20x = 994,212.30 × 486,098.60
  4. Step 4: Simplify right side
    662,808.20x = 483,285,207,132.78
  5. Step 5: Solve for x
    x = 483,285,207,132.78/662,808.20
  6. Step 6: Final answer
    x = 729,147.90

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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.