Home / 854,029.31-1,280,896.33-254,829.58

Finding the Fourth Proportional to 854,029.31, 1,280,896.33 and 254,829.58

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Solution

The fourth proportional to 854,029.31, 1,280,896.33 and 254,829.58 is: 382,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,029.31 : 1,280,896.33 = 254,829.58 : x
  2. Step 2: Convert to fraction form
    854,029.31/1,280,896.33 = 254,829.58/x
  3. Step 3: Cross multiply
    854,029.31x = 1,280,896.33 × 254,829.58
  4. Step 4: Simplify right side
    854,029.31x = 326,410,273,797.44
  5. Step 5: Solve for x
    x = 326,410,273,797.44/854,029.31
  6. Step 6: Final answer
    x = 382,200.32

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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.