Home / 854,846.70-1,179,585.68-492,388.44

Finding the Fourth Proportional to 854,846.70, 1,179,585.68 and 492,388.44

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Solution

The fourth proportional to 854,846.70, 1,179,585.68 and 492,388.44 is: 679,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,846.70 : 1,179,585.68 = 492,388.44 : x
  2. Step 2: Convert to fraction form
    854,846.70/1,179,585.68 = 492,388.44/x
  3. Step 3: Cross multiply
    854,846.70x = 1,179,585.68 × 492,388.44
  4. Step 4: Simplify right side
    854,846.70x = 580,814,350,359.60
  5. Step 5: Solve for x
    x = 580,814,350,359.60/854,846.70
  6. Step 6: Final answer
    x = 679,436.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.