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Finding the Fourth Proportional to 521,246.46, 719,387.88 and 291,891.08

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Solution

The fourth proportional to 521,246.46, 719,387.88 and 291,891.08 is: 402,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,246.46 : 719,387.88 = 291,891.08 : x
  2. Step 2: Convert to fraction form
    521,246.46/719,387.88 = 291,891.08/x
  3. Step 3: Cross multiply
    521,246.46x = 719,387.88 × 291,891.08
  4. Step 4: Simplify right side
    521,246.46x = 209,982,905,232.11
  5. Step 5: Solve for x
    x = 209,982,905,232.11/521,246.46
  6. Step 6: Final answer
    x = 402,847.64

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