Home / 701,056.31-1,051,163.78-321,501.60

Finding the Fourth Proportional to 701,056.31, 1,051,163.78 and 321,501.60

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Solution

The fourth proportional to 701,056.31, 1,051,163.78 and 321,501.60 is: 482,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,056.31 : 1,051,163.78 = 321,501.60 : x
  2. Step 2: Convert to fraction form
    701,056.31/1,051,163.78 = 321,501.60/x
  3. Step 3: Cross multiply
    701,056.31x = 1,051,163.78 × 321,501.60
  4. Step 4: Simplify right side
    701,056.31x = 337,950,835,524.54
  5. Step 5: Solve for x
    x = 337,950,835,524.54/701,056.31
  6. Step 6: Final answer
    x = 482,059.48

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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.