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Finding the Fourth Proportional to 436,458.82, 654,090.93 and 329,755.06

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Solution

The fourth proportional to 436,458.82, 654,090.93 and 329,755.06 is: 494,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,458.82 : 654,090.93 = 329,755.06 : x
  2. Step 2: Convert to fraction form
    436,458.82/654,090.93 = 329,755.06/x
  3. Step 3: Cross multiply
    436,458.82x = 654,090.93 × 329,755.06
  4. Step 4: Simplify right side
    436,458.82x = 215,689,793,867.61
  5. Step 5: Solve for x
    x = 215,689,793,867.61/436,458.82
  6. Step 6: Final answer
    x = 494,181.32

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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.