Home / 819,632.12-1,229,667.06-258,677.24

Finding the Fourth Proportional to 819,632.12, 1,229,667.06 and 258,677.24

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Solution

The fourth proportional to 819,632.12, 1,229,667.06 and 258,677.24 is: 388,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,632.12 : 1,229,667.06 = 258,677.24 : x
  2. Step 2: Convert to fraction form
    819,632.12/1,229,667.06 = 258,677.24/x
  3. Step 3: Cross multiply
    819,632.12x = 1,229,667.06 × 258,677.24
  4. Step 4: Simplify right side
    819,632.12x = 318,086,881,199.71
  5. Step 5: Solve for x
    x = 318,086,881,199.71/819,632.12
  6. Step 6: Final answer
    x = 388,084.94

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