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Finding the Fourth Proportional to 701,025.71, 967,415.50 and 378,735.80

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Solution

The fourth proportional to 701,025.71, 967,415.50 and 378,735.80 is: 522,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,025.71 : 967,415.50 = 378,735.80 : x
  2. Step 2: Convert to fraction form
    701,025.71/967,415.50 = 378,735.80/x
  3. Step 3: Cross multiply
    701,025.71x = 967,415.50 × 378,735.80
  4. Step 4: Simplify right side
    701,025.71x = 366,394,884,402.95
  5. Step 5: Solve for x
    x = 366,394,884,402.95/701,025.71
  6. Step 6: Final answer
    x = 522,655.42

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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.