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Finding the Fourth Proportional to 514,000.10, 770,915.10 and 172,439.30

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Solution

The fourth proportional to 514,000.10, 770,915.10 and 172,439.30 is: 258,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,000.10 : 770,915.10 = 172,439.30 : x
  2. Step 2: Convert to fraction form
    514,000.10/770,915.10 = 172,439.30/x
  3. Step 3: Cross multiply
    514,000.10x = 770,915.10 × 172,439.30
  4. Step 4: Simplify right side
    514,000.10x = 132,936,060,203.43
  5. Step 5: Solve for x
    x = 132,936,060,203.43/514,000.10
  6. Step 6: Final answer
    x = 258,630.42

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