Home / 705,356.80-1,058,132.40-255,968.80

Finding the Fourth Proportional to 705,356.80, 1,058,132.40 and 255,968.80

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Solution

The fourth proportional to 705,356.80, 1,058,132.40 and 255,968.80 is: 383,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,356.80 : 1,058,132.40 = 255,968.80 : x
  2. Step 2: Convert to fraction form
    705,356.80/1,058,132.40 = 255,968.80/x
  3. Step 3: Cross multiply
    705,356.80x = 1,058,132.40 × 255,968.80
  4. Step 4: Simplify right side
    705,356.80x = 270,848,880,669.12
  5. Step 5: Solve for x
    x = 270,848,880,669.12/705,356.80
  6. Step 6: Final answer
    x = 383,988.47

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