Home / 773,761.68-1,160,268.96-324,361.84

Finding the Fourth Proportional to 773,761.68, 1,160,268.96 and 324,361.84

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Solution

The fourth proportional to 773,761.68, 1,160,268.96 and 324,361.84 is: 486,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,761.68 : 1,160,268.96 = 324,361.84 : x
  2. Step 2: Convert to fraction form
    773,761.68/1,160,268.96 = 324,361.84/x
  3. Step 3: Cross multiply
    773,761.68x = 1,160,268.96 × 324,361.84
  4. Step 4: Simplify right side
    773,761.68x = 376,346,974,760.49
  5. Step 5: Solve for x
    x = 376,346,974,760.49/773,761.68
  6. Step 6: Final answer
    x = 486,386.16

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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.