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Finding the Fourth Proportional to 529,514.22, 730,737.01 and 287,796.73

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Solution

The fourth proportional to 529,514.22, 730,737.01 and 287,796.73 is: 397,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,514.22 : 730,737.01 = 287,796.73 : x
  2. Step 2: Convert to fraction form
    529,514.22/730,737.01 = 287,796.73/x
  3. Step 3: Cross multiply
    529,514.22x = 730,737.01 × 287,796.73
  4. Step 4: Simplify right side
    529,514.22x = 210,303,720,936.69
  5. Step 5: Solve for x
    x = 210,303,720,936.69/529,514.22
  6. Step 6: Final answer
    x = 397,163.50

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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.