Home / 801,284.18-1,105,728.37-438,637.89

Finding the Fourth Proportional to 801,284.18, 1,105,728.37 and 438,637.89

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Solution

The fourth proportional to 801,284.18, 1,105,728.37 and 438,637.89 is: 605,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,284.18 : 1,105,728.37 = 438,637.89 : x
  2. Step 2: Convert to fraction form
    801,284.18/1,105,728.37 = 438,637.89/x
  3. Step 3: Cross multiply
    801,284.18x = 1,105,728.37 × 438,637.89
  4. Step 4: Simplify right side
    801,284.18x = 485,014,359,129.94
  5. Step 5: Solve for x
    x = 485,014,359,129.94/801,284.18
  6. Step 6: Final answer
    x = 605,296.31

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