Home / 814,215.40-1,221,323.10-515,033.80

Finding the Fourth Proportional to 814,215.40, 1,221,323.10 and 515,033.80

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Solution

The fourth proportional to 814,215.40, 1,221,323.10 and 515,033.80 is: 772,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,215.40 : 1,221,323.10 = 515,033.80 : x
  2. Step 2: Convert to fraction form
    814,215.40/1,221,323.10 = 515,033.80/x
  3. Step 3: Cross multiply
    814,215.40x = 1,221,323.10 × 515,033.80
  4. Step 4: Simplify right side
    814,215.40x = 629,022,677,220.78
  5. Step 5: Solve for x
    x = 629,022,677,220.78/814,215.40
  6. Step 6: Final answer
    x = 772,550.70

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