Home / 783,985.11-1,082,363.24-493,845.39

Finding the Fourth Proportional to 783,985.11, 1,082,363.24 and 493,845.39

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Solution

The fourth proportional to 783,985.11, 1,082,363.24 and 493,845.39 is: 681,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,985.11 : 1,082,363.24 = 493,845.39 : x
  2. Step 2: Convert to fraction form
    783,985.11/1,082,363.24 = 493,845.39/x
  3. Step 3: Cross multiply
    783,985.11x = 1,082,363.24 × 493,845.39
  4. Step 4: Simplify right side
    783,985.11x = 534,520,093,910.24
  5. Step 5: Solve for x
    x = 534,520,093,910.24/783,985.11
  6. Step 6: Final answer
    x = 681,798.78

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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.