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Finding the Fourth Proportional to 605,692.80, 835,837.92 and 379,463.04

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Solution

The fourth proportional to 605,692.80, 835,837.92 and 379,463.04 is: 523,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,692.80 : 835,837.92 = 379,463.04 : x
  2. Step 2: Convert to fraction form
    605,692.80/835,837.92 = 379,463.04/x
  3. Step 3: Cross multiply
    605,692.80x = 835,837.92 × 379,463.04
  4. Step 4: Simplify right side
    605,692.80x = 317,169,598,070.48
  5. Step 5: Solve for x
    x = 317,169,598,070.48/605,692.80
  6. Step 6: Final answer
    x = 523,647.63

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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.