Home / 804,453.03-1,206,678.81-205,414.29

Finding the Fourth Proportional to 804,453.03, 1,206,678.81 and 205,414.29

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Solution

The fourth proportional to 804,453.03, 1,206,678.81 and 205,414.29 is: 308,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,453.03 : 1,206,678.81 = 205,414.29 : x
  2. Step 2: Convert to fraction form
    804,453.03/1,206,678.81 = 205,414.29/x
  3. Step 3: Cross multiply
    804,453.03x = 1,206,678.81 × 205,414.29
  4. Step 4: Simplify right side
    804,453.03x = 247,869,071,014.20
  5. Step 5: Solve for x
    x = 247,869,071,014.20/804,453.03
  6. Step 6: Final answer
    x = 308,121.25

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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.