Home / 494,020.05-681,484.69-300,486.95

Finding the Fourth Proportional to 494,020.05, 681,484.69 and 300,486.95

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Solution

The fourth proportional to 494,020.05, 681,484.69 and 300,486.95 is: 414,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,020.05 : 681,484.69 = 300,486.95 : x
  2. Step 2: Convert to fraction form
    494,020.05/681,484.69 = 300,486.95/x
  3. Step 3: Cross multiply
    494,020.05x = 681,484.69 × 300,486.95
  4. Step 4: Simplify right side
    494,020.05x = 204,777,255,493.55
  5. Step 5: Solve for x
    x = 204,777,255,493.55/494,020.05
  6. Step 6: Final answer
    x = 414,512.04

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1.5x scale

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.