Home / 498,433.11-687,853.26-283,604.10

Finding the Fourth Proportional to 498,433.11, 687,853.26 and 283,604.10

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Solution

The fourth proportional to 498,433.11, 687,853.26 and 283,604.10 is: 391,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,433.11 : 687,853.26 = 283,604.10 : x
  2. Step 2: Convert to fraction form
    498,433.11/687,853.26 = 283,604.10/x
  3. Step 3: Cross multiply
    498,433.11x = 687,853.26 × 283,604.10
  4. Step 4: Simplify right side
    498,433.11x = 195,078,004,734.37
  5. Step 5: Solve for x
    x = 195,078,004,734.37/498,433.11
  6. Step 6: Final answer
    x = 391,382.52

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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.