Home / 693,092.92-1,039,638.67-260,891.09

Finding the Fourth Proportional to 693,092.92, 1,039,638.67 and 260,891.09

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Solution

The fourth proportional to 693,092.92, 1,039,638.67 and 260,891.09 is: 391,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,092.92 : 1,039,638.67 = 260,891.09 : x
  2. Step 2: Convert to fraction form
    693,092.92/1,039,638.67 = 260,891.09/x
  3. Step 3: Cross multiply
    693,092.92x = 1,039,638.67 × 260,891.09
  4. Step 4: Simplify right side
    693,092.92x = 271,232,467,769.32
  5. Step 5: Solve for x
    x = 271,232,467,769.32/693,092.92
  6. Step 6: Final answer
    x = 391,336.37

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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.