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Finding the Fourth Proportional to 701,377.60, 967,905.44 and 379,086.88

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Solution

The fourth proportional to 701,377.60, 967,905.44 and 379,086.88 is: 523,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,377.60 : 967,905.44 = 379,086.88 : x
  2. Step 2: Convert to fraction form
    701,377.60/967,905.44 = 379,086.88/x
  3. Step 3: Cross multiply
    701,377.60x = 967,905.44 × 379,086.88
  4. Step 4: Simplify right side
    701,377.60x = 366,920,253,384.63
  5. Step 5: Solve for x
    x = 366,920,253,384.63/701,377.60
  6. Step 6: Final answer
    x = 523,142.25

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1.5x scale

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.