Home / 854,892.23-1,179,716.42-492,329.75

Finding the Fourth Proportional to 854,892.23, 1,179,716.42 and 492,329.75

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Solution

The fourth proportional to 854,892.23, 1,179,716.42 and 492,329.75 is: 679,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,892.23 : 1,179,716.42 = 492,329.75 : x
  2. Step 2: Convert to fraction form
    854,892.23/1,179,716.42 = 492,329.75/x
  3. Step 3: Cross multiply
    854,892.23x = 1,179,716.42 × 492,329.75
  4. Step 4: Simplify right side
    854,892.23x = 580,809,487,667.85
  5. Step 5: Solve for x
    x = 580,809,487,667.85/854,892.23
  6. Step 6: Final answer
    x = 679,394.98

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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.