Home / 701,072.94-1,051,189.11-321,518.28

Finding the Fourth Proportional to 701,072.94, 1,051,189.11 and 321,518.28

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Solution

The fourth proportional to 701,072.94, 1,051,189.11 and 321,518.28 is: 482,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,072.94 : 1,051,189.11 = 321,518.28 : x
  2. Step 2: Convert to fraction form
    701,072.94/1,051,189.11 = 321,518.28/x
  3. Step 3: Cross multiply
    701,072.94x = 1,051,189.11 × 321,518.28
  4. Step 4: Simplify right side
    701,072.94x = 337,976,514,601.93
  5. Step 5: Solve for x
    x = 337,976,514,601.93/701,072.94
  6. Step 6: Final answer
    x = 482,084.67

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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.