Home / 494,799.08-682,825.68-279,984.04

Finding the Fourth Proportional to 494,799.08, 682,825.68 and 279,984.04

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Solution

The fourth proportional to 494,799.08, 682,825.68 and 279,984.04 is: 386,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,799.08 : 682,825.68 = 279,984.04 : x
  2. Step 2: Convert to fraction form
    494,799.08/682,825.68 = 279,984.04/x
  3. Step 3: Cross multiply
    494,799.08x = 682,825.68 × 279,984.04
  4. Step 4: Simplify right side
    494,799.08x = 191,180,292,502.15
  5. Step 5: Solve for x
    x = 191,180,292,502.15/494,799.08
  6. Step 6: Final answer
    x = 386,379.64

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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.