Home / 804,550.13-1,206,806.49-405,083.64

Finding the Fourth Proportional to 804,550.13, 1,206,806.49 and 405,083.64

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Solution

The fourth proportional to 804,550.13, 1,206,806.49 and 405,083.64 is: 607,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,550.13 : 1,206,806.49 = 405,083.64 : x
  2. Step 2: Convert to fraction form
    804,550.13/1,206,806.49 = 405,083.64/x
  3. Step 3: Cross multiply
    804,550.13x = 1,206,806.49 × 405,083.64
  4. Step 4: Simplify right side
    804,550.13x = 488,857,565,744.82
  5. Step 5: Solve for x
    x = 488,857,565,744.82/804,550.13
  6. Step 6: Final answer
    x = 607,616.04

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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.