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Finding the Fourth Proportional to 652,156.05, 978,234.08 and 449,202.45

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Solution

The fourth proportional to 652,156.05, 978,234.08 and 449,202.45 is: 673,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,156.05 : 978,234.08 = 449,202.45 : x
  2. Step 2: Convert to fraction form
    652,156.05/978,234.08 = 449,202.45/x
  3. Step 3: Cross multiply
    652,156.05x = 978,234.08 × 449,202.45
  4. Step 4: Simplify right side
    652,156.05x = 439,425,143,163.48
  5. Step 5: Solve for x
    x = 439,425,143,163.48/652,156.05
  6. Step 6: Final answer
    x = 673,803.68

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Similar ratio
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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.