Home / 721,093.82-1,080,878.02-271,620.23

Finding the Fourth Proportional to 721,093.82, 1,080,878.02 and 271,620.23

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Solution

The fourth proportional to 721,093.82, 1,080,878.02 and 271,620.23 is: 407,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,093.82 : 1,080,878.02 = 271,620.23 : x
  2. Step 2: Convert to fraction form
    721,093.82/1,080,878.02 = 271,620.23/x
  3. Step 3: Cross multiply
    721,093.82x = 1,080,878.02 × 271,620.23
  4. Step 4: Simplify right side
    721,093.82x = 293,588,335,036.24
  5. Step 5: Solve for x
    x = 293,588,335,036.24/721,093.82
  6. Step 6: Final answer
    x = 407,143.05

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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.