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Finding the Fourth Proportional to 411,124.24, 616,405.72 and 219,027.39

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Solution

The fourth proportional to 411,124.24, 616,405.72 and 219,027.39 is: 328,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,124.24 : 616,405.72 = 219,027.39 : x
  2. Step 2: Convert to fraction form
    411,124.24/616,405.72 = 219,027.39/x
  3. Step 3: Cross multiply
    411,124.24x = 616,405.72 × 219,027.39
  4. Step 4: Simplify right side
    411,124.24x = 135,009,732,968.24
  5. Step 5: Solve for x
    x = 135,009,732,968.24/411,124.24
  6. Step 6: Final answer
    x = 328,391.57

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