Home / 988,460.73-1,482,919.11-419,860.17

Finding the Fourth Proportional to 988,460.73, 1,482,919.11 and 419,860.17

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Solution

The fourth proportional to 988,460.73, 1,482,919.11 and 419,860.17 is: 629,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,460.73 : 1,482,919.11 = 419,860.17 : x
  2. Step 2: Convert to fraction form
    988,460.73/1,482,919.11 = 419,860.17/x
  3. Step 3: Cross multiply
    988,460.73x = 1,482,919.11 × 419,860.17
  4. Step 4: Simplify right side
    988,460.73x = 622,618,669,620.85
  5. Step 5: Solve for x
    x = 622,618,669,620.85/988,460.73
  6. Step 6: Final answer
    x = 629,887.11

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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.