Home / 892,156.61-1,231,143.19-484,249.84

Finding the Fourth Proportional to 892,156.61, 1,231,143.19 and 484,249.84

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Solution

The fourth proportional to 892,156.61, 1,231,143.19 and 484,249.84 is: 668,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,156.61 : 1,231,143.19 = 484,249.84 : x
  2. Step 2: Convert to fraction form
    892,156.61/1,231,143.19 = 484,249.84/x
  3. Step 3: Cross multiply
    892,156.61x = 1,231,143.19 × 484,249.84
  4. Step 4: Simplify right side
    892,156.61x = 596,180,888,486.11
  5. Step 5: Solve for x
    x = 596,180,888,486.11/892,156.61
  6. Step 6: Final answer
    x = 668,246.90

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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.