Home / 902,136.90-1,244,949.99-488,674.53

Finding the Fourth Proportional to 902,136.90, 1,244,949.99 and 488,674.53

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Solution

The fourth proportional to 902,136.90, 1,244,949.99 and 488,674.53 is: 674,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,136.90 : 1,244,949.99 = 488,674.53 : x
  2. Step 2: Convert to fraction form
    902,136.90/1,244,949.99 = 488,674.53/x
  3. Step 3: Cross multiply
    902,136.90x = 1,244,949.99 × 488,674.53
  4. Step 4: Simplify right side
    902,136.90x = 608,375,351,236.76
  5. Step 5: Solve for x
    x = 608,375,351,236.76/902,136.90
  6. Step 6: Final answer
    x = 674,371.43

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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.