Home / 711,805.43-982,291.57-389,515.59

Finding the Fourth Proportional to 711,805.43, 982,291.57 and 389,515.59

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Solution

The fourth proportional to 711,805.43, 982,291.57 and 389,515.59 is: 537,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,805.43 : 982,291.57 = 389,515.59 : x
  2. Step 2: Convert to fraction form
    711,805.43/982,291.57 = 389,515.59/x
  3. Step 3: Cross multiply
    711,805.43x = 982,291.57 × 389,515.59
  4. Step 4: Simplify right side
    711,805.43x = 382,617,880,440.58
  5. Step 5: Solve for x
    x = 382,617,880,440.58/711,805.43
  6. Step 6: Final answer
    x = 537,531.56

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