Home / 701,072.57-1,051,188.55-321,517.91

Finding the Fourth Proportional to 701,072.57, 1,051,188.55 and 321,517.91

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Solution

The fourth proportional to 701,072.57, 1,051,188.55 and 321,517.91 is: 482,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,072.57 : 1,051,188.55 = 321,517.91 : x
  2. Step 2: Convert to fraction form
    701,072.57/1,051,188.55 = 321,517.91/x
  3. Step 3: Cross multiply
    701,072.57x = 1,051,188.55 × 321,517.91
  4. Step 4: Simplify right side
    701,072.57x = 337,975,939,552.19
  5. Step 5: Solve for x
    x = 337,975,939,552.19/701,072.57
  6. Step 6: Final answer
    x = 482,084.10

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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.