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Finding the Fourth Proportional to 410,260.40, 615,390.60 and 189,076.40

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Solution

The fourth proportional to 410,260.40, 615,390.60 and 189,076.40 is: 283,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,260.40 : 615,390.60 = 189,076.40 : x
  2. Step 2: Convert to fraction form
    410,260.40/615,390.60 = 189,076.40/x
  3. Step 3: Cross multiply
    410,260.40x = 615,390.60 × 189,076.40
  4. Step 4: Simplify right side
    410,260.40x = 116,355,839,241.84
  5. Step 5: Solve for x
    x = 116,355,839,241.84/410,260.40
  6. Step 6: Final answer
    x = 283,614.60

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