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Finding the Fourth Proportional to 552,713.79, 829,023.05 and 336,516.49

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Solution

The fourth proportional to 552,713.79, 829,023.05 and 336,516.49 is: 504,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,713.79 : 829,023.05 = 336,516.49 : x
  2. Step 2: Convert to fraction form
    552,713.79/829,023.05 = 336,516.49/x
  3. Step 3: Cross multiply
    552,713.79x = 829,023.05 × 336,516.49
  4. Step 4: Simplify right side
    552,713.79x = 278,979,926,915.09
  5. Step 5: Solve for x
    x = 278,979,926,915.09/552,713.79
  6. Step 6: Final answer
    x = 504,745.73

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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.