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Finding the Fourth Proportional to 652,159.20, 978,238.80 and 403,327.20

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Solution

The fourth proportional to 652,159.20, 978,238.80 and 403,327.20 is: 604,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,159.20 : 978,238.80 = 403,327.20 : x
  2. Step 2: Convert to fraction form
    652,159.20/978,238.80 = 403,327.20/x
  3. Step 3: Cross multiply
    652,159.20x = 978,238.80 × 403,327.20
  4. Step 4: Simplify right side
    652,159.20x = 394,550,316,135.36
  5. Step 5: Solve for x
    x = 394,550,316,135.36/652,159.20
  6. Step 6: Final answer
    x = 604,990.80

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