Home / 877,185.27-1,315,825.74-278,103.09

Finding the Fourth Proportional to 877,185.27, 1,315,825.74 and 278,103.09

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Solution

The fourth proportional to 877,185.27, 1,315,825.74 and 278,103.09 is: 417,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,185.27 : 1,315,825.74 = 278,103.09 : x
  2. Step 2: Convert to fraction form
    877,185.27/1,315,825.74 = 278,103.09/x
  3. Step 3: Cross multiply
    877,185.27x = 1,315,825.74 × 278,103.09
  4. Step 4: Simplify right side
    877,185.27x = 365,935,202,805.02
  5. Step 5: Solve for x
    x = 365,935,202,805.02/877,185.27
  6. Step 6: Final answer
    x = 417,169.80

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