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Finding the Fourth Proportional to 461,707.20, 692,560.80 and 411,940.80

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Solution

The fourth proportional to 461,707.20, 692,560.80 and 411,940.80 is: 617,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,707.20 : 692,560.80 = 411,940.80 : x
  2. Step 2: Convert to fraction form
    461,707.20/692,560.80 = 411,940.80/x
  3. Step 3: Cross multiply
    461,707.20x = 692,560.80 × 411,940.80
  4. Step 4: Simplify right side
    461,707.20x = 285,294,050,000.64
  5. Step 5: Solve for x
    x = 285,294,050,000.64/461,707.20
  6. Step 6: Final answer
    x = 617,911.20

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