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Finding the Fourth Proportional to 545,862.60, 818,793.90 and 498,623.40

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Solution

The fourth proportional to 545,862.60, 818,793.90 and 498,623.40 is: 747,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,862.60 : 818,793.90 = 498,623.40 : x
  2. Step 2: Convert to fraction form
    545,862.60/818,793.90 = 498,623.40/x
  3. Step 3: Cross multiply
    545,862.60x = 818,793.90 × 498,623.40
  4. Step 4: Simplify right side
    545,862.60x = 408,269,798,317.26
  5. Step 5: Solve for x
    x = 408,269,798,317.26/545,862.60
  6. Step 6: Final answer
    x = 747,935.10

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