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Finding the Fourth Proportional to 866,997, 1,300,502.52 and 267,956.64

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Solution

The fourth proportional to 866,997, 1,300,502.52 and 267,956.64 is: 401,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,997 : 1,300,502.52 = 267,956.64 : x
  2. Step 2: Convert to fraction form
    866,997/1,300,502.52 = 267,956.64/x
  3. Step 3: Cross multiply
    866,997x = 1,300,502.52 × 267,956.64
  4. Step 4: Simplify right side
    866,997x = 348,478,285,570.73
  5. Step 5: Solve for x
    x = 348,478,285,570.73/866,997
  6. Step 6: Final answer
    x = 401,937.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.