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Finding the Fourth Proportional to 557,624.25, 769,518.77 and 315,906.24

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Solution

The fourth proportional to 557,624.25, 769,518.77 and 315,906.24 is: 435,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,624.25 : 769,518.77 = 315,906.24 : x
  2. Step 2: Convert to fraction form
    557,624.25/769,518.77 = 315,906.24/x
  3. Step 3: Cross multiply
    557,624.25x = 769,518.77 × 315,906.24
  4. Step 4: Simplify right side
    557,624.25x = 243,095,782,546.29
  5. Step 5: Solve for x
    x = 243,095,782,546.29/557,624.25
  6. Step 6: Final answer
    x = 435,949.09

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