Home / 783,965.97-1,082,336.81-493,826.25

Finding the Fourth Proportional to 783,965.97, 1,082,336.81 and 493,826.25

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Solution

The fourth proportional to 783,965.97, 1,082,336.81 and 493,826.25 is: 681,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,965.97 : 1,082,336.81 = 493,826.25 : x
  2. Step 2: Convert to fraction form
    783,965.97/1,082,336.81 = 493,826.25/x
  3. Step 3: Cross multiply
    783,965.97x = 1,082,336.81 × 493,826.25
  4. Step 4: Simplify right side
    783,965.97x = 534,486,321,965.56
  5. Step 5: Solve for x
    x = 534,486,321,965.56/783,965.97
  6. Step 6: Final answer
    x = 681,772.35

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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.