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Finding the Fourth Proportional to 708,044.20, 978,343.86 and 565,976.68

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Solution

The fourth proportional to 708,044.20, 978,343.86 and 565,976.68 is: 782,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,044.20 : 978,343.86 = 565,976.68 : x
  2. Step 2: Convert to fraction form
    708,044.20/978,343.86 = 565,976.68/x
  3. Step 3: Cross multiply
    708,044.20x = 978,343.86 × 565,976.68
  4. Step 4: Simplify right side
    708,044.20x = 553,719,809,781.19
  5. Step 5: Solve for x
    x = 553,719,809,781.19/708,044.20
  6. Step 6: Final answer
    x = 782,041.30

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