Home / 756,449.26-1,135,018.34-283,171.52

Finding the Fourth Proportional to 756,449.26, 1,135,018.34 and 283,171.52

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Solution

The fourth proportional to 756,449.26, 1,135,018.34 and 283,171.52 is: 424,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,449.26 : 1,135,018.34 = 283,171.52 : x
  2. Step 2: Convert to fraction form
    756,449.26/1,135,018.34 = 283,171.52/x
  3. Step 3: Cross multiply
    756,449.26x = 1,135,018.34 × 283,171.52
  4. Step 4: Simplify right side
    756,449.26x = 321,404,868,565.68
  5. Step 5: Solve for x
    x = 321,404,868,565.68/756,449.26
  6. Step 6: Final answer
    x = 424,886.22

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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.