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Finding the Fourth Proportional to 529,520.34, 730,745.48 and 287,802.84

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Solution

The fourth proportional to 529,520.34, 730,745.48 and 287,802.84 is: 397,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,520.34 : 730,745.48 = 287,802.84 : x
  2. Step 2: Convert to fraction form
    529,520.34/730,745.48 = 287,802.84/x
  3. Step 3: Cross multiply
    529,520.34x = 730,745.48 × 287,802.84
  4. Step 4: Simplify right side
    529,520.34x = 210,310,623,022.15
  5. Step 5: Solve for x
    x = 210,310,623,022.15/529,520.34
  6. Step 6: Final answer
    x = 397,171.94

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