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Finding the Fourth Proportional to 804,370.88, 1,206,711.84 and 305,696

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Solution

The fourth proportional to 804,370.88, 1,206,711.84 and 305,696 is: 458,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,370.88 : 1,206,711.84 = 305,696 : x
  2. Step 2: Convert to fraction form
    804,370.88/1,206,711.84 = 305,696/x
  3. Step 3: Cross multiply
    804,370.88x = 1,206,711.84 × 305,696
  4. Step 4: Simplify right side
    804,370.88x = 368,886,982,640.64
  5. Step 5: Solve for x
    x = 368,886,982,640.64/804,370.88
  6. Step 6: Final answer
    x = 458,603.10

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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.