Home / 728,460.48-1,005,288-401,811.12

Finding the Fourth Proportional to 728,460.48, 1,005,288 and 401,811.12

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Solution

The fourth proportional to 728,460.48, 1,005,288 and 401,811.12 is: 554,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,460.48 : 1,005,288 = 401,811.12 : x
  2. Step 2: Convert to fraction form
    728,460.48/1,005,288 = 401,811.12/x
  3. Step 3: Cross multiply
    728,460.48x = 1,005,288 × 401,811.12
  4. Step 4: Simplify right side
    728,460.48x = 403,935,897,202.56
  5. Step 5: Solve for x
    x = 403,935,897,202.56/728,460.48
  6. Step 6: Final answer
    x = 554,506.26

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