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Finding the Fourth Proportional to 617,540.36, 927,370.62 and 379,054.69

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Solution

The fourth proportional to 617,540.36, 927,370.62 and 379,054.69 is: 569,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,540.36 : 927,370.62 = 379,054.69 : x
  2. Step 2: Convert to fraction form
    617,540.36/927,370.62 = 379,054.69/x
  3. Step 3: Cross multiply
    617,540.36x = 927,370.62 × 379,054.69
  4. Step 4: Simplify right side
    617,540.36x = 351,524,180,560.78
  5. Step 5: Solve for x
    x = 351,524,180,560.78/617,540.36
  6. Step 6: Final answer
    x = 569,232.73

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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.