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Finding the Fourth Proportional to 529,791.13, 795,464.30 and 330,958.81

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Solution

The fourth proportional to 529,791.13, 795,464.30 and 330,958.81 is: 496,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,791.13 : 795,464.30 = 330,958.81 : x
  2. Step 2: Convert to fraction form
    529,791.13/795,464.30 = 330,958.81/x
  3. Step 3: Cross multiply
    529,791.13x = 795,464.30 × 330,958.81
  4. Step 4: Simplify right side
    529,791.13x = 263,265,916,470.69
  5. Step 5: Solve for x
    x = 263,265,916,470.69/529,791.13
  6. Step 6: Final answer
    x = 496,923.98

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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.