Home / 808,731.38-1,116,049.31-451,035.38

Finding the Fourth Proportional to 808,731.38, 1,116,049.31 and 451,035.38

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Solution

The fourth proportional to 808,731.38, 1,116,049.31 and 451,035.38 is: 622,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,731.38 : 1,116,049.31 = 451,035.38 : x
  2. Step 2: Convert to fraction form
    808,731.38/1,116,049.31 = 451,035.38/x
  3. Step 3: Cross multiply
    808,731.38x = 1,116,049.31 × 451,035.38
  4. Step 4: Simplify right side
    808,731.38x = 503,377,716,799.16
  5. Step 5: Solve for x
    x = 503,377,716,799.16/808,731.38
  6. Step 6: Final answer
    x = 622,428.82

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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.