Home / 855,354.46-1,180,684.20-492,922.75

Finding the Fourth Proportional to 855,354.46, 1,180,684.20 and 492,922.75

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Solution

The fourth proportional to 855,354.46, 1,180,684.20 and 492,922.75 is: 680,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,354.46 : 1,180,684.20 = 492,922.75 : x
  2. Step 2: Convert to fraction form
    855,354.46/1,180,684.20 = 492,922.75/x
  3. Step 3: Cross multiply
    855,354.46x = 1,180,684.20 × 492,922.75
  4. Step 4: Simplify right side
    855,354.46x = 581,986,102,745.55
  5. Step 5: Solve for x
    x = 581,986,102,745.55/855,354.46
  6. Step 6: Final answer
    x = 680,403.42

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