Home / 814,009.26-1,220,994.84-215,012.25

Finding the Fourth Proportional to 814,009.26, 1,220,994.84 and 215,012.25

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Solution

The fourth proportional to 814,009.26, 1,220,994.84 and 215,012.25 is: 322,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,009.26 : 1,220,994.84 = 215,012.25 : x
  2. Step 2: Convert to fraction form
    814,009.26/1,220,994.84 = 215,012.25/x
  3. Step 3: Cross multiply
    814,009.26x = 1,220,994.84 × 215,012.25
  4. Step 4: Simplify right side
    814,009.26x = 262,528,847,786.79
  5. Step 5: Solve for x
    x = 262,528,847,786.79/814,009.26
  6. Step 6: Final answer
    x = 322,513.34

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