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Finding the Fourth Proportional to 552,999.36, 829,732.32 and 328,788.12

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Solution

The fourth proportional to 552,999.36, 829,732.32 and 328,788.12 is: 493,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,999.36 : 829,732.32 = 328,788.12 : x
  2. Step 2: Convert to fraction form
    552,999.36/829,732.32 = 328,788.12/x
  3. Step 3: Cross multiply
    552,999.36x = 829,732.32 × 328,788.12
  4. Step 4: Simplify right side
    552,999.36x = 272,806,129,596.04
  5. Step 5: Solve for x
    x = 272,806,129,596.04/552,999.36
  6. Step 6: Final answer
    x = 493,320.88

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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.