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Finding the Fourth Proportional to 701,441.37, 967,988.88 and 379,151.28

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Solution

The fourth proportional to 701,441.37, 967,988.88 and 379,151.28 is: 523,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,441.37 : 967,988.88 = 379,151.28 : x
  2. Step 2: Convert to fraction form
    701,441.37/967,988.88 = 379,151.28/x
  3. Step 3: Cross multiply
    701,441.37x = 967,988.88 × 379,151.28
  4. Step 4: Simplify right side
    701,441.37x = 367,014,222,877.77
  5. Step 5: Solve for x
    x = 367,014,222,877.77/701,441.37
  6. Step 6: Final answer
    x = 523,228.65

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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.