Home / 494,514.63-682,517.58-290,565.51

Finding the Fourth Proportional to 494,514.63, 682,517.58 and 290,565.51

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Solution

The fourth proportional to 494,514.63, 682,517.58 and 290,565.51 is: 401,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,514.63 : 682,517.58 = 290,565.51 : x
  2. Step 2: Convert to fraction form
    494,514.63/682,517.58 = 290,565.51/x
  3. Step 3: Cross multiply
    494,514.63x = 682,517.58 × 290,565.51
  4. Step 4: Simplify right side
    494,514.63x = 198,316,068,716.67
  5. Step 5: Solve for x
    x = 198,316,068,716.67/494,514.63
  6. Step 6: Final answer
    x = 401,031.75

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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.