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Finding the Fourth Proportional to 626,996.26, 865,259.93 and 340,518.40

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Solution

The fourth proportional to 626,996.26, 865,259.93 and 340,518.40 is: 469,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,996.26 : 865,259.93 = 340,518.40 : x
  2. Step 2: Convert to fraction form
    626,996.26/865,259.93 = 340,518.40/x
  3. Step 3: Cross multiply
    626,996.26x = 865,259.93 × 340,518.40
  4. Step 4: Simplify right side
    626,996.26x = 294,636,926,947.71
  5. Step 5: Solve for x
    x = 294,636,926,947.71/626,996.26
  6. Step 6: Final answer
    x = 469,918.16

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