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Finding the Fourth Proportional to 701,312.48, 967,815.66 and 379,021.82

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Solution

The fourth proportional to 701,312.48, 967,815.66 and 379,021.82 is: 523,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,312.48 : 967,815.66 = 379,021.82 : x
  2. Step 2: Convert to fraction form
    701,312.48/967,815.66 = 379,021.82/x
  3. Step 3: Cross multiply
    701,312.48x = 967,815.66 × 379,021.82
  4. Step 4: Simplify right side
    701,312.48x = 366,823,252,877.70
  5. Step 5: Solve for x
    x = 366,823,252,877.70/701,312.48
  6. Step 6: Final answer
    x = 523,052.51

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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.