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Finding the Fourth Proportional to 634,260.72, 951,245.51 and 378,165.76

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Solution

The fourth proportional to 634,260.72, 951,245.51 and 378,165.76 is: 567,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,260.72 : 951,245.51 = 378,165.76 : x
  2. Step 2: Convert to fraction form
    634,260.72/951,245.51 = 378,165.76/x
  3. Step 3: Cross multiply
    634,260.72x = 951,245.51 × 378,165.76
  4. Step 4: Simplify right side
    634,260.72x = 359,728,476,966.80
  5. Step 5: Solve for x
    x = 359,728,476,966.80/634,260.72
  6. Step 6: Final answer
    x = 567,161.84

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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.