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Finding the Fourth Proportional to 553,773.20, 830,659.80 and 364,816.40

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Solution

The fourth proportional to 553,773.20, 830,659.80 and 364,816.40 is: 547,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,773.20 : 830,659.80 = 364,816.40 : x
  2. Step 2: Convert to fraction form
    553,773.20/830,659.80 = 364,816.40/x
  3. Step 3: Cross multiply
    553,773.20x = 830,659.80 × 364,816.40
  4. Step 4: Simplify right side
    553,773.20x = 303,038,317,860.72
  5. Step 5: Solve for x
    x = 303,038,317,860.72/553,773.20
  6. Step 6: Final answer
    x = 547,224.60

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