Home / 988,518.42-1,482,486.98-419,895

Finding the Fourth Proportional to 988,518.42, 1,482,486.98 and 419,895

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Solution

The fourth proportional to 988,518.42, 1,482,486.98 and 419,895 is: 629,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,518.42 : 1,482,486.98 = 419,895 : x
  2. Step 2: Convert to fraction form
    988,518.42/1,482,486.98 = 419,895/x
  3. Step 3: Cross multiply
    988,518.42x = 1,482,486.98 × 419,895
  4. Step 4: Simplify right side
    988,518.42x = 622,488,868,367.63
  5. Step 5: Solve for x
    x = 622,488,868,367.63/988,518.42
  6. Step 6: Final answer
    x = 629,719.04

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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.