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Finding the Fourth Proportional to 662,806.20, 994,209.30 and 486,096.60

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Solution

The fourth proportional to 662,806.20, 994,209.30 and 486,096.60 is: 729,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,806.20 : 994,209.30 = 486,096.60 : x
  2. Step 2: Convert to fraction form
    662,806.20/994,209.30 = 486,096.60/x
  3. Step 3: Cross multiply
    662,806.20x = 994,209.30 × 486,096.60
  4. Step 4: Simplify right side
    662,806.20x = 483,281,760,418.38
  5. Step 5: Solve for x
    x = 483,281,760,418.38/662,806.20
  6. Step 6: Final answer
    x = 729,144.90

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Similar ratio
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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.