Home / 804,901.82-1,207,408.60-272,242.78

Finding the Fourth Proportional to 804,901.82, 1,207,408.60 and 272,242.78

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Solution

The fourth proportional to 804,901.82, 1,207,408.60 and 272,242.78 is: 408,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,901.82 : 1,207,408.60 = 272,242.78 : x
  2. Step 2: Convert to fraction form
    804,901.82/1,207,408.60 = 272,242.78/x
  3. Step 3: Cross multiply
    804,901.82x = 1,207,408.60 × 272,242.78
  4. Step 4: Simplify right side
    804,901.82x = 328,708,273,859.91
  5. Step 5: Solve for x
    x = 328,708,273,859.91/804,901.82
  6. Step 6: Final answer
    x = 408,383.07

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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.