Home / 628,701.82-943,120.22-268,910.04

Finding the Fourth Proportional to 628,701.82, 943,120.22 and 268,910.04

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Solution

The fourth proportional to 628,701.82, 943,120.22 and 268,910.04 is: 403,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,701.82 : 943,120.22 = 268,910.04 : x
  2. Step 2: Convert to fraction form
    628,701.82/943,120.22 = 268,910.04/x
  3. Step 3: Cross multiply
    628,701.82x = 943,120.22 × 268,910.04
  4. Step 4: Simplify right side
    628,701.82x = 253,614,496,085.01
  5. Step 5: Solve for x
    x = 253,614,496,085.01/628,701.82
  6. Step 6: Final answer
    x = 403,393.93

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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.