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Finding the Fourth Proportional to 680,375.70, 1,020,522.54 and 301,185.44

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Solution

The fourth proportional to 680,375.70, 1,020,522.54 and 301,185.44 is: 451,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,375.70 : 1,020,522.54 = 301,185.44 : x
  2. Step 2: Convert to fraction form
    680,375.70/1,020,522.54 = 301,185.44/x
  3. Step 3: Cross multiply
    680,375.70x = 1,020,522.54 × 301,185.44
  4. Step 4: Simplify right side
    680,375.70x = 307,366,530,093.61
  5. Step 5: Solve for x
    x = 307,366,530,093.61/680,375.70
  6. Step 6: Final answer
    x = 451,760.01

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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.