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Finding the Fourth Proportional to 536,174.64, 804,524.40 and 379,410.48

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Solution

The fourth proportional to 536,174.64, 804,524.40 and 379,410.48 is: 569,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,174.64 : 804,524.40 = 379,410.48 : x
  2. Step 2: Convert to fraction form
    536,174.64/804,524.40 = 379,410.48/x
  3. Step 3: Cross multiply
    536,174.64x = 804,524.40 × 379,410.48
  4. Step 4: Simplify right side
    536,174.64x = 305,244,988,775.71
  5. Step 5: Solve for x
    x = 305,244,988,775.71/536,174.64
  6. Step 6: Final answer
    x = 569,301.43

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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.