Home / 855,180.45-1,180,274.22-492,533.73

Finding the Fourth Proportional to 855,180.45, 1,180,274.22 and 492,533.73

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Solution

The fourth proportional to 855,180.45, 1,180,274.22 and 492,533.73 is: 679,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,180.45 : 1,180,274.22 = 492,533.73 : x
  2. Step 2: Convert to fraction form
    855,180.45/1,180,274.22 = 492,533.73/x
  3. Step 3: Cross multiply
    855,180.45x = 1,180,274.22 × 492,533.73
  4. Step 4: Simplify right side
    855,180.45x = 581,324,863,999.44
  5. Step 5: Solve for x
    x = 581,324,863,999.44/855,180.45
  6. Step 6: Final answer
    x = 679,768.65

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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.