Home / 721,307.79-1,082,060.15-300,485.25

Finding the Fourth Proportional to 721,307.79, 1,082,060.15 and 300,485.25

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Solution

The fourth proportional to 721,307.79, 1,082,060.15 and 300,485.25 is: 450,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,307.79 : 1,082,060.15 = 300,485.25 : x
  2. Step 2: Convert to fraction form
    721,307.79/1,082,060.15 = 300,485.25/x
  3. Step 3: Cross multiply
    721,307.79x = 1,082,060.15 × 300,485.25
  4. Step 4: Simplify right side
    721,307.79x = 325,143,113,185.36
  5. Step 5: Solve for x
    x = 325,143,113,185.36/721,307.79
  6. Step 6: Final answer
    x = 450,768.89

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