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Finding the Fourth Proportional to 522,046.20, 783,069.30 and 312,094.20

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Solution

The fourth proportional to 522,046.20, 783,069.30 and 312,094.20 is: 468,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,046.20 : 783,069.30 = 312,094.20 : x
  2. Step 2: Convert to fraction form
    522,046.20/783,069.30 = 312,094.20/x
  3. Step 3: Cross multiply
    522,046.20x = 783,069.30 × 312,094.20
  4. Step 4: Simplify right side
    522,046.20x = 244,391,386,728.06
  5. Step 5: Solve for x
    x = 244,391,386,728.06/522,046.20
  6. Step 6: Final answer
    x = 468,141.30

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