Home / 988,524.48-1,482,496.06-419,901.06

Finding the Fourth Proportional to 988,524.48, 1,482,496.06 and 419,901.06

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Solution

The fourth proportional to 988,524.48, 1,482,496.06 and 419,901.06 is: 629,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,524.48 : 1,482,496.06 = 419,901.06 : x
  2. Step 2: Convert to fraction form
    988,524.48/1,482,496.06 = 419,901.06/x
  3. Step 3: Cross multiply
    988,524.48x = 1,482,496.06 × 419,901.06
  4. Step 4: Simplify right side
    988,524.48x = 622,501,667,039.82
  5. Step 5: Solve for x
    x = 622,501,667,039.82/988,524.48
  6. Step 6: Final answer
    x = 629,728.12

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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.