Home / 693,999.30-1,040,998.95-320,751.30

Finding the Fourth Proportional to 693,999.30, 1,040,998.95 and 320,751.30

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Solution

The fourth proportional to 693,999.30, 1,040,998.95 and 320,751.30 is: 481,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,999.30 : 1,040,998.95 = 320,751.30 : x
  2. Step 2: Convert to fraction form
    693,999.30/1,040,998.95 = 320,751.30/x
  3. Step 3: Cross multiply
    693,999.30x = 1,040,998.95 × 320,751.30
  4. Step 4: Simplify right side
    693,999.30x = 333,901,766,511.14
  5. Step 5: Solve for x
    x = 333,901,766,511.14/693,999.30
  6. Step 6: Final answer
    x = 481,126.95

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Similar ratio
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1.5x scale

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.