Home / 800,106.90-1,104,136.68-455,963.28

Finding the Fourth Proportional to 800,106.90, 1,104,136.68 and 455,963.28

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Solution

The fourth proportional to 800,106.90, 1,104,136.68 and 455,963.28 is: 629,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,106.90 : 1,104,136.68 = 455,963.28 : x
  2. Step 2: Convert to fraction form
    800,106.90/1,104,136.68 = 455,963.28/x
  3. Step 3: Cross multiply
    800,106.90x = 1,104,136.68 × 455,963.28
  4. Step 4: Simplify right side
    800,106.90x = 503,445,782,181.11
  5. Step 5: Solve for x
    x = 503,445,782,181.11/800,106.90
  6. Step 6: Final answer
    x = 629,223.15

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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.