Home / 892,135.75-1,231,114.39-484,228.93

Finding the Fourth Proportional to 892,135.75, 1,231,114.39 and 484,228.93

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Solution

The fourth proportional to 892,135.75, 1,231,114.39 and 484,228.93 is: 668,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,135.75 : 1,231,114.39 = 484,228.93 : x
  2. Step 2: Convert to fraction form
    892,135.75/1,231,114.39 = 484,228.93/x
  3. Step 3: Cross multiply
    892,135.75x = 1,231,114.39 × 484,228.93
  4. Step 4: Simplify right side
    892,135.75x = 596,141,203,777.30
  5. Step 5: Solve for x
    x = 596,141,203,777.30/892,135.75
  6. Step 6: Final answer
    x = 668,218.04

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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.