Home / 805,961.97-1,208,943.77-300,515.22

Finding the Fourth Proportional to 805,961.97, 1,208,943.77 and 300,515.22

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Solution

The fourth proportional to 805,961.97, 1,208,943.77 and 300,515.22 is: 450,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,961.97 : 1,208,943.77 = 300,515.22 : x
  2. Step 2: Convert to fraction form
    805,961.97/1,208,943.77 = 300,515.22/x
  3. Step 3: Cross multiply
    805,961.97x = 1,208,943.77 × 300,515.22
  4. Step 4: Simplify right side
    805,961.97x = 363,306,001,506.60
  5. Step 5: Solve for x
    x = 363,306,001,506.60/805,961.97
  6. Step 6: Final answer
    x = 450,773.13

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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.