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Finding the Fourth Proportional to 529,896.73, 731,241.83 and 300,474.96

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Solution

The fourth proportional to 529,896.73, 731,241.83 and 300,474.96 is: 414,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,896.73 : 731,241.83 = 300,474.96 : x
  2. Step 2: Convert to fraction form
    529,896.73/731,241.83 = 300,474.96/x
  3. Step 3: Cross multiply
    529,896.73x = 731,241.83 × 300,474.96
  4. Step 4: Simplify right side
    529,896.73x = 219,719,858,117.20
  5. Step 5: Solve for x
    x = 219,719,858,117.20/529,896.73
  6. Step 6: Final answer
    x = 414,646.56

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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.