Home / 804,540.28-1,206,809.37-205,501.90

Finding the Fourth Proportional to 804,540.28, 1,206,809.37 and 205,501.90

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Solution

The fourth proportional to 804,540.28, 1,206,809.37 and 205,501.90 is: 308,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,540.28 : 1,206,809.37 = 205,501.90 : x
  2. Step 2: Convert to fraction form
    804,540.28/1,206,809.37 = 205,501.90/x
  3. Step 3: Cross multiply
    804,540.28x = 1,206,809.37 × 205,501.90
  4. Step 4: Simplify right side
    804,540.28x = 248,001,618,472.80
  5. Step 5: Solve for x
    x = 248,001,618,472.80/804,540.28
  6. Step 6: Final answer
    x = 308,252.58

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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.