Home / 529,550.90-730,781.17-287,832.82

Finding the Fourth Proportional to 529,550.90, 730,781.17 and 287,832.82

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Solution

The fourth proportional to 529,550.90, 730,781.17 and 287,832.82 is: 397,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,550.90 : 730,781.17 = 287,832.82 : x
  2. Step 2: Convert to fraction form
    529,550.90/730,781.17 = 287,832.82/x
  3. Step 3: Cross multiply
    529,550.90x = 730,781.17 × 287,832.82
  4. Step 4: Simplify right side
    529,550.90x = 210,342,801,310.09
  5. Step 5: Solve for x
    x = 210,342,801,310.09/529,550.90
  6. Step 6: Final answer
    x = 397,209.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.