Home / 804,313.52-1,206,469.56-205,274.64

Finding the Fourth Proportional to 804,313.52, 1,206,469.56 and 205,274.64

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Solution

The fourth proportional to 804,313.52, 1,206,469.56 and 205,274.64 is: 307,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,313.52 : 1,206,469.56 = 205,274.64 : x
  2. Step 2: Convert to fraction form
    804,313.52/1,206,469.56 = 205,274.64/x
  3. Step 3: Cross multiply
    804,313.52x = 1,206,469.56 × 205,274.64
  4. Step 4: Simplify right side
    804,313.52x = 247,657,604,599.96
  5. Step 5: Solve for x
    x = 247,657,604,599.96/804,313.52
  6. Step 6: Final answer
    x = 307,911.78

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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.