Home / 891,107.15-1,336,126.90-283,633.04

Finding the Fourth Proportional to 891,107.15, 1,336,126.90 and 283,633.04

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Solution

The fourth proportional to 891,107.15, 1,336,126.90 and 283,633.04 is: 425,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,107.15 : 1,336,126.90 = 283,633.04 : x
  2. Step 2: Convert to fraction form
    891,107.15/1,336,126.90 = 283,633.04/x
  3. Step 3: Cross multiply
    891,107.15x = 1,336,126.90 × 283,633.04
  4. Step 4: Simplify right side
    891,107.15x = 378,969,737,104.01
  5. Step 5: Solve for x
    x = 378,969,737,104.01/891,107.15
  6. Step 6: Final answer
    x = 425,279.65

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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.