Home / 804,516.17-1,206,755.55-405,049.69

Finding the Fourth Proportional to 804,516.17, 1,206,755.55 and 405,049.69

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Solution

The fourth proportional to 804,516.17, 1,206,755.55 and 405,049.69 is: 607,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,516.17 : 1,206,755.55 = 405,049.69 : x
  2. Step 2: Convert to fraction form
    804,516.17/1,206,755.55 = 405,049.69/x
  3. Step 3: Cross multiply
    804,516.17x = 1,206,755.55 × 405,049.69
  4. Step 4: Simplify right side
    804,516.17x = 488,795,961,433.28
  5. Step 5: Solve for x
    x = 488,795,961,433.28/804,516.17
  6. Step 6: Final answer
    x = 607,565.12

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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.