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Finding the Fourth Proportional to 492,602.86, 679,830.45 and 274,879.99

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Solution

The fourth proportional to 492,602.86, 679,830.45 and 274,879.99 is: 379,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,602.86 : 679,830.45 = 274,879.99 : x
  2. Step 2: Convert to fraction form
    492,602.86/679,830.45 = 274,879.99/x
  3. Step 3: Cross multiply
    492,602.86x = 679,830.45 × 274,879.99
  4. Step 4: Simplify right side
    492,602.86x = 186,871,787,297.70
  5. Step 5: Solve for x
    x = 186,871,787,297.70/492,602.86
  6. Step 6: Final answer
    x = 379,355.87

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