Home / 881,012.73-1,321,145.40-312,536.91

Finding the Fourth Proportional to 881,012.73, 1,321,145.40 and 312,536.91

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Solution

The fourth proportional to 881,012.73, 1,321,145.40 and 312,536.91 is: 468,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,012.73 : 1,321,145.40 = 312,536.91 : x
  2. Step 2: Convert to fraction form
    881,012.73/1,321,145.40 = 312,536.91/x
  3. Step 3: Cross multiply
    881,012.73x = 1,321,145.40 × 312,536.91
  4. Step 4: Simplify right side
    881,012.73x = 412,906,700,976.71
  5. Step 5: Solve for x
    x = 412,906,700,976.71/881,012.73
  6. Step 6: Final answer
    x = 468,672.80

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