Home / 2,659,450.50-3,989,175.75-664,906.50

Finding the Fourth Proportional to 2,659,450.50, 3,989,175.75 and 664,906.50

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Solution

The fourth proportional to 2,659,450.50, 3,989,175.75 and 664,906.50 is: 997,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,450.50 : 3,989,175.75 = 664,906.50 : x
  2. Step 2: Convert to fraction form
    2,659,450.50/3,989,175.75 = 664,906.50/x
  3. Step 3: Cross multiply
    2,659,450.50x = 3,989,175.75 × 664,906.50
  4. Step 4: Simplify right side
    2,659,450.50x = 2,652,428,885,817.38
  5. Step 5: Solve for x
    x = 2,652,428,885,817.38/2,659,450.50
  6. Step 6: Final answer
    x = 997,359.75

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Double scale
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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.