Home / 854,431.94-1,280,893.65-322,326.64

Finding the Fourth Proportional to 854,431.94, 1,280,893.65 and 322,326.64

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Solution

The fourth proportional to 854,431.94, 1,280,893.65 and 322,326.64 is: 483,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,431.94 : 1,280,893.65 = 322,326.64 : x
  2. Step 2: Convert to fraction form
    854,431.94/1,280,893.65 = 322,326.64/x
  3. Step 3: Cross multiply
    854,431.94x = 1,280,893.65 × 322,326.64
  4. Step 4: Simplify right side
    854,431.94x = 412,866,148,607.32
  5. Step 5: Solve for x
    x = 412,866,148,607.32/854,431.94
  6. Step 6: Final answer
    x = 483,205.42

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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.