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Finding the Fourth Proportional to 804,371.88, 1,206,713.34 and 305,697

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Solution

The fourth proportional to 804,371.88, 1,206,713.34 and 305,697 is: 458,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,371.88 : 1,206,713.34 = 305,697 : x
  2. Step 2: Convert to fraction form
    804,371.88/1,206,713.34 = 305,697/x
  3. Step 3: Cross multiply
    804,371.88x = 1,206,713.34 × 305,697
  4. Step 4: Simplify right side
    804,371.88x = 368,888,647,897.98
  5. Step 5: Solve for x
    x = 368,888,647,897.98/804,371.88
  6. Step 6: Final answer
    x = 458,604.60

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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.