Home / 891,136.38-1,336,563.26-283,845.90

Finding the Fourth Proportional to 891,136.38, 1,336,563.26 and 283,845.90

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Solution

The fourth proportional to 891,136.38, 1,336,563.26 and 283,845.90 is: 425,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,136.38 : 1,336,563.26 = 283,845.90 : x
  2. Step 2: Convert to fraction form
    891,136.38/1,336,563.26 = 283,845.90/x
  3. Step 3: Cross multiply
    891,136.38x = 1,336,563.26 × 283,845.90
  4. Step 4: Simplify right side
    891,136.38x = 379,378,001,441.63
  5. Step 5: Solve for x
    x = 379,378,001,441.63/891,136.38
  6. Step 6: Final answer
    x = 425,723.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.