Home / 854,860.80-1,282,406.40-294,067.20

Finding the Fourth Proportional to 854,860.80, 1,282,406.40 and 294,067.20

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Solution

The fourth proportional to 854,860.80, 1,282,406.40 and 294,067.20 is: 441,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,860.80 : 1,282,406.40 = 294,067.20 : x
  2. Step 2: Convert to fraction form
    854,860.80/1,282,406.40 = 294,067.20/x
  3. Step 3: Cross multiply
    854,860.80x = 1,282,406.40 × 294,067.20
  4. Step 4: Simplify right side
    854,860.80x = 377,113,659,310.08
  5. Step 5: Solve for x
    x = 377,113,659,310.08/854,860.80
  6. Step 6: Final answer
    x = 441,140.43

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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.