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Finding the Fourth Proportional to 452,763.71, 678,620.64 and 426,519.71

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Solution

The fourth proportional to 452,763.71, 678,620.64 and 426,519.71 is: 639,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,763.71 : 678,620.64 = 426,519.71 : x
  2. Step 2: Convert to fraction form
    452,763.71/678,620.64 = 426,519.71/x
  3. Step 3: Cross multiply
    452,763.71x = 678,620.64 × 426,519.71
  4. Step 4: Simplify right side
    452,763.71x = 289,445,078,572.81
  5. Step 5: Solve for x
    x = 289,445,078,572.81/452,763.71
  6. Step 6: Final answer
    x = 639,285.07

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