Home / 804,485.05-1,206,726.51-205,446.64

Finding the Fourth Proportional to 804,485.05, 1,206,726.51 and 205,446.64

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Solution

The fourth proportional to 804,485.05, 1,206,726.51 and 205,446.64 is: 308,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,485.05 : 1,206,726.51 = 205,446.64 : x
  2. Step 2: Convert to fraction form
    804,485.05/1,206,726.51 = 205,446.64/x
  3. Step 3: Cross multiply
    804,485.05x = 1,206,726.51 × 205,446.64
  4. Step 4: Simplify right side
    804,485.05x = 247,917,900,844.79
  5. Step 5: Solve for x
    x = 247,917,900,844.79/804,485.05
  6. Step 6: Final answer
    x = 308,169.68

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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.