Home / 804,410.19-1,206,614.22-205,371.45

Finding the Fourth Proportional to 804,410.19, 1,206,614.22 and 205,371.45

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Solution

The fourth proportional to 804,410.19, 1,206,614.22 and 205,371.45 is: 308,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,410.19 : 1,206,614.22 = 205,371.45 : x
  2. Step 2: Convert to fraction form
    804,410.19/1,206,614.22 = 205,371.45/x
  3. Step 3: Cross multiply
    804,410.19x = 1,206,614.22 × 205,371.45
  4. Step 4: Simplify right side
    804,410.19x = 247,804,112,337.09
  5. Step 5: Solve for x
    x = 247,804,112,337.09/804,410.19
  6. Step 6: Final answer
    x = 308,056.90

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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.