Home / 810,821.35-1,216,380.26-271,026.55

Finding the Fourth Proportional to 810,821.35, 1,216,380.26 and 271,026.55

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Solution

The fourth proportional to 810,821.35, 1,216,380.26 and 271,026.55 is: 406,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,821.35 : 1,216,380.26 = 271,026.55 : x
  2. Step 2: Convert to fraction form
    810,821.35/1,216,380.26 = 271,026.55/x
  3. Step 3: Cross multiply
    810,821.35x = 1,216,380.26 × 271,026.55
  4. Step 4: Simplify right side
    810,821.35x = 329,671,345,355.90
  5. Step 5: Solve for x
    x = 329,671,345,355.90/810,821.35
  6. Step 6: Final answer
    x = 406,589.37

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1.5x scale

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.