Home / 501,286.86-691,766.82-283,492.08

Finding the Fourth Proportional to 501,286.86, 691,766.82 and 283,492.08

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Solution

The fourth proportional to 501,286.86, 691,766.82 and 283,492.08 is: 391,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,286.86 : 691,766.82 = 283,492.08 : x
  2. Step 2: Convert to fraction form
    501,286.86/691,766.82 = 283,492.08/x
  3. Step 3: Cross multiply
    501,286.86x = 691,766.82 × 283,492.08
  4. Step 4: Simplify right side
    501,286.86x = 196,110,414,676.79
  5. Step 5: Solve for x
    x = 196,110,414,676.79/501,286.86
  6. Step 6: Final answer
    x = 391,213.95

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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.