Home / 804,287.56-1,206,430.54-205,248.72

Finding the Fourth Proportional to 804,287.56, 1,206,430.54 and 205,248.72

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Solution

The fourth proportional to 804,287.56, 1,206,430.54 and 205,248.72 is: 307,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,287.56 : 1,206,430.54 = 205,248.72 : x
  2. Step 2: Convert to fraction form
    804,287.56/1,206,430.54 = 205,248.72/x
  3. Step 3: Cross multiply
    804,287.56x = 1,206,430.54 × 205,248.72
  4. Step 4: Simplify right side
    804,287.56x = 247,618,324,103.91
  5. Step 5: Solve for x
    x = 247,618,324,103.91/804,287.56
  6. Step 6: Final answer
    x = 307,872.88

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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.