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Finding the Fourth Proportional to 807,843.03, 1,114,817.22 and 445,267.59

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Solution

The fourth proportional to 807,843.03, 1,114,817.22 and 445,267.59 is: 614,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,843.03 : 1,114,817.22 = 445,267.59 : x
  2. Step 2: Convert to fraction form
    807,843.03/1,114,817.22 = 445,267.59/x
  3. Step 3: Cross multiply
    807,843.03x = 1,114,817.22 × 445,267.59
  4. Step 4: Simplify right side
    807,843.03x = 496,391,976,839.90
  5. Step 5: Solve for x
    x = 496,391,976,839.90/807,843.03
  6. Step 6: Final answer
    x = 614,465.88

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1.5x scale

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.