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Finding the Fourth Proportional to 529,771.56, 731,069.24 and 300,350.00

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Solution

The fourth proportional to 529,771.56, 731,069.24 and 300,350.00 is: 414,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,771.56 : 731,069.24 = 300,350.00 : x
  2. Step 2: Convert to fraction form
    529,771.56/731,069.24 = 300,350.00/x
  3. Step 3: Cross multiply
    529,771.56x = 731,069.24 × 300,350.00
  4. Step 4: Simplify right side
    529,771.56x = 219,576,641,076.90
  5. Step 5: Solve for x
    x = 219,576,641,076.90/529,771.56
  6. Step 6: Final answer
    x = 414,474.20

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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.