Home / 729,274.25-1,093,902.57-189,482.76

Finding the Fourth Proportional to 729,274.25, 1,093,902.57 and 189,482.76

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Solution

The fourth proportional to 729,274.25, 1,093,902.57 and 189,482.76 is: 284,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,274.25 : 1,093,902.57 = 189,482.76 : x
  2. Step 2: Convert to fraction form
    729,274.25/1,093,902.57 = 189,482.76/x
  3. Step 3: Cross multiply
    729,274.25x = 1,093,902.57 × 189,482.76
  4. Step 4: Simplify right side
    729,274.25x = 207,275,678,134.69
  5. Step 5: Solve for x
    x = 207,275,678,134.69/729,274.25
  6. Step 6: Final answer
    x = 284,221.85

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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.