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Finding the Fourth Proportional to 550,276.20, 824,393.70 and 312,913.80

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Solution

The fourth proportional to 550,276.20, 824,393.70 and 312,913.80 is: 468,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,276.20 : 824,393.70 = 312,913.80 : x
  2. Step 2: Convert to fraction form
    550,276.20/824,393.70 = 312,913.80/x
  3. Step 3: Cross multiply
    550,276.20x = 824,393.70 × 312,913.80
  4. Step 4: Simplify right side
    550,276.20x = 257,964,165,363.06
  5. Step 5: Solve for x
    x = 257,964,165,363.06/550,276.20
  6. Step 6: Final answer
    x = 468,790.34

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