Home / 720,417.26-1,080,625.87-271,238.90

Finding the Fourth Proportional to 720,417.26, 1,080,625.87 and 271,238.90

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Solution

The fourth proportional to 720,417.26, 1,080,625.87 and 271,238.90 is: 406,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,417.26 : 1,080,625.87 = 271,238.90 : x
  2. Step 2: Convert to fraction form
    720,417.26/1,080,625.87 = 271,238.90/x
  3. Step 3: Cross multiply
    720,417.26x = 1,080,625.87 × 271,238.90
  4. Step 4: Simplify right side
    720,417.26x = 293,107,772,290.34
  5. Step 5: Solve for x
    x = 293,107,772,290.34/720,417.26
  6. Step 6: Final answer
    x = 406,858.34

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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.