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Finding the Fourth Proportional to 295,307.20, 442,960.80 and 277,811.20

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Solution

The fourth proportional to 295,307.20, 442,960.80 and 277,811.20 is: 416,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,307.20 : 442,960.80 = 277,811.20 : x
  2. Step 2: Convert to fraction form
    295,307.20/442,960.80 = 277,811.20/x
  3. Step 3: Cross multiply
    295,307.20x = 442,960.80 × 277,811.20
  4. Step 4: Simplify right side
    295,307.20x = 123,059,471,400.96
  5. Step 5: Solve for x
    x = 123,059,471,400.96/295,307.20
  6. Step 6: Final answer
    x = 416,716.80

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