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Finding the Fourth Proportional to 529,474.08, 793,764.54 and 229,728.72

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Solution

The fourth proportional to 529,474.08, 793,764.54 and 229,728.72 is: 344,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,474.08 : 793,764.54 = 229,728.72 : x
  2. Step 2: Convert to fraction form
    529,474.08/793,764.54 = 229,728.72/x
  3. Step 3: Cross multiply
    529,474.08x = 793,764.54 × 229,728.72
  4. Step 4: Simplify right side
    529,474.08x = 182,350,511,755.59
  5. Step 5: Solve for x
    x = 182,350,511,755.59/529,474.08
  6. Step 6: Final answer
    x = 344,399.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.