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Finding the Fourth Proportional to 484,842.20, 727,263.30 and 442,851.80

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Solution

The fourth proportional to 484,842.20, 727,263.30 and 442,851.80 is: 664,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,842.20 : 727,263.30 = 442,851.80 : x
  2. Step 2: Convert to fraction form
    484,842.20/727,263.30 = 442,851.80/x
  3. Step 3: Cross multiply
    484,842.20x = 727,263.30 × 442,851.80
  4. Step 4: Simplify right side
    484,842.20x = 322,069,861,478.94
  5. Step 5: Solve for x
    x = 322,069,861,478.94/484,842.20
  6. Step 6: Final answer
    x = 664,277.70

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