Home / 672,345.77-1,008,716.16-199,043.43

Finding the Fourth Proportional to 672,345.77, 1,008,716.16 and 199,043.43

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Solution

The fourth proportional to 672,345.77, 1,008,716.16 and 199,043.43 is: 298,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,345.77 : 1,008,716.16 = 199,043.43 : x
  2. Step 2: Convert to fraction form
    672,345.77/1,008,716.16 = 199,043.43/x
  3. Step 3: Cross multiply
    672,345.77x = 1,008,716.16 × 199,043.43
  4. Step 4: Simplify right side
    672,345.77x = 200,778,324,382.83
  5. Step 5: Solve for x
    x = 200,778,324,382.83/672,345.77
  6. Step 6: Final answer
    x = 298,623.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.