Home / 628,493.26-867,414.12-370,287.66

Finding the Fourth Proportional to 628,493.26, 867,414.12 and 370,287.66

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Solution

The fourth proportional to 628,493.26, 867,414.12 and 370,287.66 is: 511,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,493.26 : 867,414.12 = 370,287.66 : x
  2. Step 2: Convert to fraction form
    628,493.26/867,414.12 = 370,287.66/x
  3. Step 3: Cross multiply
    628,493.26x = 867,414.12 × 370,287.66
  4. Step 4: Simplify right side
    628,493.26x = 321,192,744,745.76
  5. Step 5: Solve for x
    x = 321,192,744,745.76/628,493.26
  6. Step 6: Final answer
    x = 511,052.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.