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Finding the Fourth Proportional to 422,524.62, 633,360.47 and 264,863.79

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Solution

The fourth proportional to 422,524.62, 633,360.47 and 264,863.79 is: 397,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,524.62 : 633,360.47 = 264,863.79 : x
  2. Step 2: Convert to fraction form
    422,524.62/633,360.47 = 264,863.79/x
  3. Step 3: Cross multiply
    422,524.62x = 633,360.47 × 264,863.79
  4. Step 4: Simplify right side
    422,524.62x = 167,754,253,196.06
  5. Step 5: Solve for x
    x = 167,754,253,196.06/422,524.62
  6. Step 6: Final answer
    x = 397,028.35

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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.