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Finding the Fourth Proportional to 531,911.40, 734,012.13 and 290,179.56

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Solution

The fourth proportional to 531,911.40, 734,012.13 and 290,179.56 is: 400,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,911.40 : 734,012.13 = 290,179.56 : x
  2. Step 2: Convert to fraction form
    531,911.40/734,012.13 = 290,179.56/x
  3. Step 3: Cross multiply
    531,911.40x = 734,012.13 × 290,179.56
  4. Step 4: Simplify right side
    531,911.40x = 212,995,316,918.06
  5. Step 5: Solve for x
    x = 212,995,316,918.06/531,911.40
  6. Step 6: Final answer
    x = 400,433.83

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