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Finding the Fourth Proportional to 677,100.75, 934,399.17 and 375,294.75

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Solution

The fourth proportional to 677,100.75, 934,399.17 and 375,294.75 is: 517,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,100.75 : 934,399.17 = 375,294.75 : x
  2. Step 2: Convert to fraction form
    677,100.75/934,399.17 = 375,294.75/x
  3. Step 3: Cross multiply
    677,100.75x = 934,399.17 × 375,294.75
  4. Step 4: Simplify right side
    677,100.75x = 350,675,102,905.36
  5. Step 5: Solve for x
    x = 350,675,102,905.36/677,100.75
  6. Step 6: Final answer
    x = 517,906.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.