Home / 814,196.55-1,221,297.97-340,549.66

Finding the Fourth Proportional to 814,196.55, 1,221,297.97 and 340,549.66

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Solution

The fourth proportional to 814,196.55, 1,221,297.97 and 340,549.66 is: 510,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,196.55 : 1,221,297.97 = 340,549.66 : x
  2. Step 2: Convert to fraction form
    814,196.55/1,221,297.97 = 340,549.66/x
  3. Step 3: Cross multiply
    814,196.55x = 1,221,297.97 × 340,549.66
  4. Step 4: Simplify right side
    814,196.55x = 415,912,604,537.57
  5. Step 5: Solve for x
    x = 415,912,604,537.57/814,196.55
  6. Step 6: Final answer
    x = 510,825.80

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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.