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Finding the Fourth Proportional to 634,236, 875,165.46 and 347,680.68

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Solution

The fourth proportional to 634,236, 875,165.46 and 347,680.68 is: 479,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,236 : 875,165.46 = 347,680.68 : x
  2. Step 2: Convert to fraction form
    634,236/875,165.46 = 347,680.68/x
  3. Step 3: Cross multiply
    634,236x = 875,165.46 × 347,680.68
  4. Step 4: Simplify right side
    634,236x = 304,278,122,245.31
  5. Step 5: Solve for x
    x = 304,278,122,245.31/634,236
  6. Step 6: Final answer
    x = 479,755.36

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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.