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Finding the Fourth Proportional to 411,561.70, 617,342.55 and 366,946.90

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Solution

The fourth proportional to 411,561.70, 617,342.55 and 366,946.90 is: 550,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,561.70 : 617,342.55 = 366,946.90 : x
  2. Step 2: Convert to fraction form
    411,561.70/617,342.55 = 366,946.90/x
  3. Step 3: Cross multiply
    411,561.70x = 617,342.55 × 366,946.90
  4. Step 4: Simplify right side
    411,561.70x = 226,531,934,960.60
  5. Step 5: Solve for x
    x = 226,531,934,960.60/411,561.70
  6. Step 6: Final answer
    x = 550,420.35

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