Home / 804,380.38-1,206,726.09-305,705.50

Finding the Fourth Proportional to 804,380.38, 1,206,726.09 and 305,705.50

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Solution

The fourth proportional to 804,380.38, 1,206,726.09 and 305,705.50 is: 458,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,380.38 : 1,206,726.09 = 305,705.50 : x
  2. Step 2: Convert to fraction form
    804,380.38/1,206,726.09 = 305,705.50/x
  3. Step 3: Cross multiply
    804,380.38x = 1,206,726.09 × 305,705.50
  4. Step 4: Simplify right side
    804,380.38x = 368,902,802,706.50
  5. Step 5: Solve for x
    x = 368,902,802,706.50/804,380.38
  6. Step 6: Final answer
    x = 458,617.36

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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.