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Finding the Fourth Proportional to 461,093, 636,833.22 and 309,927.56

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Solution

The fourth proportional to 461,093, 636,833.22 and 309,927.56 is: 428,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,093 : 636,833.22 = 309,927.56 : x
  2. Step 2: Convert to fraction form
    461,093/636,833.22 = 309,927.56/x
  3. Step 3: Cross multiply
    461,093x = 636,833.22 × 309,927.56
  4. Step 4: Simplify right side
    461,093x = 197,372,166,001.54
  5. Step 5: Solve for x
    x = 197,372,166,001.54/461,093
  6. Step 6: Final answer
    x = 428,052.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.