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Finding the Fourth Proportional to 701,309.75, 967,811.85 and 379,019.07

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Solution

The fourth proportional to 701,309.75, 967,811.85 and 379,019.07 is: 523,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,309.75 : 967,811.85 = 379,019.07 : x
  2. Step 2: Convert to fraction form
    701,309.75/967,811.85 = 379,019.07/x
  3. Step 3: Cross multiply
    701,309.75x = 967,811.85 × 379,019.07
  4. Step 4: Simplify right side
    701,309.75x = 366,819,147,321.98
  5. Step 5: Solve for x
    x = 366,819,147,321.98/701,309.75
  6. Step 6: Final answer
    x = 523,048.70

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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.