Home / 628,660.65-943,131.61-229,301.42

Finding the Fourth Proportional to 628,660.65, 943,131.61 and 229,301.42

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Solution

The fourth proportional to 628,660.65, 943,131.61 and 229,301.42 is: 344,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,660.65 : 943,131.61 = 229,301.42 : x
  2. Step 2: Convert to fraction form
    628,660.65/943,131.61 = 229,301.42/x
  3. Step 3: Cross multiply
    628,660.65x = 943,131.61 × 229,301.42
  4. Step 4: Simplify right side
    628,660.65x = 216,261,420,584.25
  5. Step 5: Solve for x
    x = 216,261,420,584.25/628,660.65
  6. Step 6: Final answer
    x = 344,003.43

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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.