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Finding the Fourth Proportional to 551,436.60, 827,154.90 and 314,803.20

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Solution

The fourth proportional to 551,436.60, 827,154.90 and 314,803.20 is: 472,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,436.60 : 827,154.90 = 314,803.20 : x
  2. Step 2: Convert to fraction form
    551,436.60/827,154.90 = 314,803.20/x
  3. Step 3: Cross multiply
    551,436.60x = 827,154.90 × 314,803.20
  4. Step 4: Simplify right side
    551,436.60x = 260,391,009,415.68
  5. Step 5: Solve for x
    x = 260,391,009,415.68/551,436.60
  6. Step 6: Final answer
    x = 472,204.80

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