Home / 711,655.42-1,067,503.52-279,354.89

Finding the Fourth Proportional to 711,655.42, 1,067,503.52 and 279,354.89

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Solution

The fourth proportional to 711,655.42, 1,067,503.52 and 279,354.89 is: 419,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,655.42 : 1,067,503.52 = 279,354.89 : x
  2. Step 2: Convert to fraction form
    711,655.42/1,067,503.52 = 279,354.89/x
  3. Step 3: Cross multiply
    711,655.42x = 1,067,503.52 × 279,354.89
  4. Step 4: Simplify right side
    711,655.42x = 298,212,330,139.22
  5. Step 5: Solve for x
    x = 298,212,330,139.22/711,655.42
  6. Step 6: Final answer
    x = 419,040.34

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