Home / 1,327,633.88-1,991,458.10-330,361.88

Finding the Fourth Proportional to 1,327,633.88, 1,991,458.10 and 330,361.88

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Solution

The fourth proportional to 1,327,633.88, 1,991,458.10 and 330,361.88 is: 495,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,633.88 : 1,991,458.10 = 330,361.88 : x
  2. Step 2: Convert to fraction form
    1,327,633.88/1,991,458.10 = 330,361.88/x
  3. Step 3: Cross multiply
    1,327,633.88x = 1,991,458.10 × 330,361.88
  4. Step 4: Simplify right side
    1,327,633.88x = 657,901,832,725.84
  5. Step 5: Solve for x
    x = 657,901,832,725.84/1,327,633.88
  6. Step 6: Final answer
    x = 495,544.63

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1.5x scale

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.