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Finding the Fourth Proportional to 582,946.80, 874,420.20 and 209,007.60

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Solution

The fourth proportional to 582,946.80, 874,420.20 and 209,007.60 is: 313,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,946.80 : 874,420.20 = 209,007.60 : x
  2. Step 2: Convert to fraction form
    582,946.80/874,420.20 = 209,007.60/x
  3. Step 3: Cross multiply
    582,946.80x = 874,420.20 × 209,007.60
  4. Step 4: Simplify right side
    582,946.80x = 182,760,467,393.52
  5. Step 5: Solve for x
    x = 182,760,467,393.52/582,946.80
  6. Step 6: Final answer
    x = 313,511.40

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