Home / 571,026.62-788,016.12-312,909.86

Finding the Fourth Proportional to 571,026.62, 788,016.12 and 312,909.86

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Solution

The fourth proportional to 571,026.62, 788,016.12 and 312,909.86 is: 431,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,026.62 : 788,016.12 = 312,909.86 : x
  2. Step 2: Convert to fraction form
    571,026.62/788,016.12 = 312,909.86/x
  3. Step 3: Cross multiply
    571,026.62x = 788,016.12 × 312,909.86
  4. Step 4: Simplify right side
    571,026.62x = 246,578,013,786.94
  5. Step 5: Solve for x
    x = 246,578,013,786.94/571,026.62
  6. Step 6: Final answer
    x = 431,815.27

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