Home / 855,121.30-1,281,880.05-322,999.90

Finding the Fourth Proportional to 855,121.30, 1,281,880.05 and 322,999.90

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Solution

The fourth proportional to 855,121.30, 1,281,880.05 and 322,999.90 is: 484,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,121.30 : 1,281,880.05 = 322,999.90 : x
  2. Step 2: Convert to fraction form
    855,121.30/1,281,880.05 = 322,999.90/x
  3. Step 3: Cross multiply
    855,121.30x = 1,281,880.05 × 322,999.90
  4. Step 4: Simplify right side
    855,121.30x = 414,047,127,962.00
  5. Step 5: Solve for x
    x = 414,047,127,962.00/855,121.30
  6. Step 6: Final answer
    x = 484,196.95

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