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Finding the Fourth Proportional to 841,907.72, 1,263,359.89 and 309,802.42

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Solution

The fourth proportional to 841,907.72, 1,263,359.89 and 309,802.42 is: 464,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,907.72 : 1,263,359.89 = 309,802.42 : x
  2. Step 2: Convert to fraction form
    841,907.72/1,263,359.89 = 309,802.42/x
  3. Step 3: Cross multiply
    841,907.72x = 1,263,359.89 × 309,802.42
  4. Step 4: Simplify right side
    841,907.72x = 391,391,951,252.93
  5. Step 5: Solve for x
    x = 391,391,951,252.93/841,907.72
  6. Step 6: Final answer
    x = 464,887.00

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