Home / 752,895-1,129,310.10-191,912.76

Finding the Fourth Proportional to 752,895, 1,129,310.10 and 191,912.76

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Solution

The fourth proportional to 752,895, 1,129,310.10 and 191,912.76 is: 287,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,895 : 1,129,310.10 = 191,912.76 : x
  2. Step 2: Convert to fraction form
    752,895/1,129,310.10 = 191,912.76/x
  3. Step 3: Cross multiply
    752,895x = 1,129,310.10 × 191,912.76
  4. Step 4: Simplify right side
    752,895x = 216,729,018,186.88
  5. Step 5: Solve for x
    x = 216,729,018,186.88/752,895
  6. Step 6: Final answer
    x = 287,860.88

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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.