Home / 804,485.55-1,206,727.26-205,447.14

Finding the Fourth Proportional to 804,485.55, 1,206,727.26 and 205,447.14

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Solution

The fourth proportional to 804,485.55, 1,206,727.26 and 205,447.14 is: 308,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,485.55 : 1,206,727.26 = 205,447.14 : x
  2. Step 2: Convert to fraction form
    804,485.55/1,206,727.26 = 205,447.14/x
  3. Step 3: Cross multiply
    804,485.55x = 1,206,727.26 × 205,447.14
  4. Step 4: Simplify right side
    804,485.55x = 247,918,664,327.04
  5. Step 5: Solve for x
    x = 247,918,664,327.04/804,485.55
  6. Step 6: Final answer
    x = 308,170.44

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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.