Home / 579,136.42-799,207.72-324,489.43

Finding the Fourth Proportional to 579,136.42, 799,207.72 and 324,489.43

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Solution

The fourth proportional to 579,136.42, 799,207.72 and 324,489.43 is: 447,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,136.42 : 799,207.72 = 324,489.43 : x
  2. Step 2: Convert to fraction form
    579,136.42/799,207.72 = 324,489.43/x
  3. Step 3: Cross multiply
    579,136.42x = 799,207.72 × 324,489.43
  4. Step 4: Simplify right side
    579,136.42x = 259,334,457,514.40
  5. Step 5: Solve for x
    x = 259,334,457,514.40/579,136.42
  6. Step 6: Final answer
    x = 447,795.11

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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.