Home / 816,305.82-1,224,548.03-276,951.52

Finding the Fourth Proportional to 816,305.82, 1,224,548.03 and 276,951.52

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Solution

The fourth proportional to 816,305.82, 1,224,548.03 and 276,951.52 is: 415,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,305.82 : 1,224,548.03 = 276,951.52 : x
  2. Step 2: Convert to fraction form
    816,305.82/1,224,548.03 = 276,951.52/x
  3. Step 3: Cross multiply
    816,305.82x = 1,224,548.03 × 276,951.52
  4. Step 4: Simplify right side
    816,305.82x = 339,140,438,221.51
  5. Step 5: Solve for x
    x = 339,140,438,221.51/816,305.82
  6. Step 6: Final answer
    x = 415,457.58

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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.