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Finding the Fourth Proportional to 705,276.40, 1,058,951.40 and 495,842.80

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Solution

The fourth proportional to 705,276.40, 1,058,951.40 and 495,842.80 is: 744,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,276.40 : 1,058,951.40 = 495,842.80 : x
  2. Step 2: Convert to fraction form
    705,276.40/1,058,951.40 = 495,842.80/x
  3. Step 3: Cross multiply
    705,276.40x = 1,058,951.40 × 495,842.80
  4. Step 4: Simplify right side
    705,276.40x = 525,073,427,239.92
  5. Step 5: Solve for x
    x = 525,073,427,239.92/705,276.40
  6. Step 6: Final answer
    x = 744,493.12

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