Home / 892,100.17-1,231,082.79-484,193.25

Finding the Fourth Proportional to 892,100.17, 1,231,082.79 and 484,193.25

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Solution

The fourth proportional to 892,100.17, 1,231,082.79 and 484,193.25 is: 668,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,100.17 : 1,231,082.79 = 484,193.25 : x
  2. Step 2: Convert to fraction form
    892,100.17/1,231,082.79 = 484,193.25/x
  3. Step 3: Cross multiply
    892,100.17x = 1,231,082.79 × 484,193.25
  4. Step 4: Simplify right side
    892,100.17x = 596,081,978,755.86
  5. Step 5: Solve for x
    x = 596,081,978,755.86/892,100.17
  6. Step 6: Final answer
    x = 668,178.30

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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.