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Finding the Fourth Proportional to 617,134.40, 925,701.60 and 492,718.40

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Solution

The fourth proportional to 617,134.40, 925,701.60 and 492,718.40 is: 739,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,134.40 : 925,701.60 = 492,718.40 : x
  2. Step 2: Convert to fraction form
    617,134.40/925,701.60 = 492,718.40/x
  3. Step 3: Cross multiply
    617,134.40x = 925,701.60 × 492,718.40
  4. Step 4: Simplify right side
    617,134.40x = 456,110,211,229.44
  5. Step 5: Solve for x
    x = 456,110,211,229.44/617,134.40
  6. Step 6: Final answer
    x = 739,077.60

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