Home / 579,035.52-799,064.64-324,388.80

Finding the Fourth Proportional to 579,035.52, 799,064.64 and 324,388.80

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Solution

The fourth proportional to 579,035.52, 799,064.64 and 324,388.80 is: 447,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,035.52 : 799,064.64 = 324,388.80 : x
  2. Step 2: Convert to fraction form
    579,035.52/799,064.64 = 324,388.80/x
  3. Step 3: Cross multiply
    579,035.52x = 799,064.64 × 324,388.80
  4. Step 4: Simplify right side
    579,035.52x = 259,207,619,692.03
  5. Step 5: Solve for x
    x = 259,207,619,692.03/579,035.52
  6. Step 6: Final answer
    x = 447,654.09

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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.