Home / 818,699.66-1,227,991.94-306,267.06

Finding the Fourth Proportional to 818,699.66, 1,227,991.94 and 306,267.06

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Solution

The fourth proportional to 818,699.66, 1,227,991.94 and 306,267.06 is: 459,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,699.66 : 1,227,991.94 = 306,267.06 : x
  2. Step 2: Convert to fraction form
    818,699.66/1,227,991.94 = 306,267.06/x
  3. Step 3: Cross multiply
    818,699.66x = 1,227,991.94 × 306,267.06
  4. Step 4: Simplify right side
    818,699.66x = 376,093,481,167.50
  5. Step 5: Solve for x
    x = 376,093,481,167.50/818,699.66
  6. Step 6: Final answer
    x = 459,379.06

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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.