Home / 720,435.82-1,080,682.89-271,109.38

Finding the Fourth Proportional to 720,435.82, 1,080,682.89 and 271,109.38

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Solution

The fourth proportional to 720,435.82, 1,080,682.89 and 271,109.38 is: 406,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,435.82 : 1,080,682.89 = 271,109.38 : x
  2. Step 2: Convert to fraction form
    720,435.82/1,080,682.89 = 271,109.38/x
  3. Step 3: Cross multiply
    720,435.82x = 1,080,682.89 × 271,109.38
  4. Step 4: Simplify right side
    720,435.82x = 292,983,268,284.51
  5. Step 5: Solve for x
    x = 292,983,268,284.51/720,435.82
  6. Step 6: Final answer
    x = 406,675.04

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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.