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Finding the Fourth Proportional to 475,812, 656,620.56 and 263,844

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Solution

The fourth proportional to 475,812, 656,620.56 and 263,844 is: 364,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,812 : 656,620.56 = 263,844 : x
  2. Step 2: Convert to fraction form
    475,812/656,620.56 = 263,844/x
  3. Step 3: Cross multiply
    475,812x = 656,620.56 × 263,844
  4. Step 4: Simplify right side
    475,812x = 173,245,395,032.64
  5. Step 5: Solve for x
    x = 173,245,395,032.64/475,812
  6. Step 6: Final answer
    x = 364,104.72

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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.