Home / 814,029.36-1,220,810.48-274,227.04

Finding the Fourth Proportional to 814,029.36, 1,220,810.48 and 274,227.04

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Solution

The fourth proportional to 814,029.36, 1,220,810.48 and 274,227.04 is: 411,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,029.36 : 1,220,810.48 = 274,227.04 : x
  2. Step 2: Convert to fraction form
    814,029.36/1,220,810.48 = 274,227.04/x
  3. Step 3: Cross multiply
    814,029.36x = 1,220,810.48 × 274,227.04
  4. Step 4: Simplify right side
    814,029.36x = 334,779,244,331.38
  5. Step 5: Solve for x
    x = 334,779,244,331.38/814,029.36
  6. Step 6: Final answer
    x = 411,261.88

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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.