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Finding the Fourth Proportional to 452,250.40, 678,375.60 and 136,674.40

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Solution

The fourth proportional to 452,250.40, 678,375.60 and 136,674.40 is: 205,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,250.40 : 678,375.60 = 136,674.40 : x
  2. Step 2: Convert to fraction form
    452,250.40/678,375.60 = 136,674.40/x
  3. Step 3: Cross multiply
    452,250.40x = 678,375.60 × 136,674.40
  4. Step 4: Simplify right side
    452,250.40x = 92,716,578,104.64
  5. Step 5: Solve for x
    x = 92,716,578,104.64/452,250.40
  6. Step 6: Final answer
    x = 205,011.60

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