Home / 783,986.62-1,082,365.32-493,846.90

Finding the Fourth Proportional to 783,986.62, 1,082,365.32 and 493,846.90

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Solution

The fourth proportional to 783,986.62, 1,082,365.32 and 493,846.90 is: 681,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,986.62 : 1,082,365.32 = 493,846.90 : x
  2. Step 2: Convert to fraction form
    783,986.62/1,082,365.32 = 493,846.90/x
  3. Step 3: Cross multiply
    783,986.62x = 1,082,365.32 × 493,846.90
  4. Step 4: Simplify right side
    783,986.62x = 534,522,757,949.51
  5. Step 5: Solve for x
    x = 534,522,757,949.51/783,986.62
  6. Step 6: Final answer
    x = 681,800.87

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1.5x scale

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.