Home / 905,365.89-1,358,259.18-265,643.79

Finding the Fourth Proportional to 905,365.89, 1,358,259.18 and 265,643.79

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Solution

The fourth proportional to 905,365.89, 1,358,259.18 and 265,643.79 is: 398,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,365.89 : 1,358,259.18 = 265,643.79 : x
  2. Step 2: Convert to fraction form
    905,365.89/1,358,259.18 = 265,643.79/x
  3. Step 3: Cross multiply
    905,365.89x = 1,358,259.18 × 265,643.79
  4. Step 4: Simplify right side
    905,365.89x = 360,813,116,377.49
  5. Step 5: Solve for x
    x = 360,813,116,377.49/905,365.89
  6. Step 6: Final answer
    x = 398,527.40

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