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Finding the Fourth Proportional to 543,519, 814,390.62 and 330,352.12

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Solution

The fourth proportional to 543,519, 814,390.62 and 330,352.12 is: 494,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,519 : 814,390.62 = 330,352.12 : x
  2. Step 2: Convert to fraction form
    543,519/814,390.62 = 330,352.12/x
  3. Step 3: Cross multiply
    543,519x = 814,390.62 × 330,352.12
  4. Step 4: Simplify right side
    543,519x = 269,035,667,825.11
  5. Step 5: Solve for x
    x = 269,035,667,825.11/543,519
  6. Step 6: Final answer
    x = 494,988.52

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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.