Home / 447,919.80-671,482.94-321,241.46

Finding the Fourth Proportional to 447,919.80, 671,482.94 and 321,241.46

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Solution

The fourth proportional to 447,919.80, 671,482.94 and 321,241.46 is: 481,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,919.80 : 671,482.94 = 321,241.46 : x
  2. Step 2: Convert to fraction form
    447,919.80/671,482.94 = 321,241.46/x
  3. Step 3: Cross multiply
    447,919.80x = 671,482.94 × 321,241.46
  4. Step 4: Simplify right side
    447,919.80x = 215,708,160,010.69
  5. Step 5: Solve for x
    x = 215,708,160,010.69/447,919.80
  6. Step 6: Final answer
    x = 481,577.64

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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.