Home / 720,417.01-1,080,625.50-271,238.65

Finding the Fourth Proportional to 720,417.01, 1,080,625.50 and 271,238.65

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Solution

The fourth proportional to 720,417.01, 1,080,625.50 and 271,238.65 is: 406,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,417.01 : 1,080,625.50 = 271,238.65 : x
  2. Step 2: Convert to fraction form
    720,417.01/1,080,625.50 = 271,238.65/x
  3. Step 3: Cross multiply
    720,417.01x = 1,080,625.50 × 271,238.65
  4. Step 4: Simplify right side
    720,417.01x = 293,107,400,419.38
  5. Step 5: Solve for x
    x = 293,107,400,419.38/720,417.01
  6. Step 6: Final answer
    x = 406,857.97

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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.