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Finding the Fourth Proportional to 492,839.60, 739,259.40 and 177,306.80

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Solution

The fourth proportional to 492,839.60, 739,259.40 and 177,306.80 is: 265,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,839.60 : 739,259.40 = 177,306.80 : x
  2. Step 2: Convert to fraction form
    492,839.60/739,259.40 = 177,306.80/x
  3. Step 3: Cross multiply
    492,839.60x = 739,259.40 × 177,306.80
  4. Step 4: Simplify right side
    492,839.60x = 131,075,718,583.92
  5. Step 5: Solve for x
    x = 131,075,718,583.92/492,839.60
  6. Step 6: Final answer
    x = 265,960.20

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