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Finding the Fourth Proportional to 536,581.54, 804,896.75 and 379,511.20

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Solution

The fourth proportional to 536,581.54, 804,896.75 and 379,511.20 is: 569,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,581.54 : 804,896.75 = 379,511.20 : x
  2. Step 2: Convert to fraction form
    536,581.54/804,896.75 = 379,511.20/x
  3. Step 3: Cross multiply
    536,581.54x = 804,896.75 × 379,511.20
  4. Step 4: Simplify right side
    536,581.54x = 305,467,331,468.60
  5. Step 5: Solve for x
    x = 305,467,331,468.60/536,581.54
  6. Step 6: Final answer
    x = 569,284.09

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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.