Home / 804,305.27-1,206,457.20-205,266.38

Finding the Fourth Proportional to 804,305.27, 1,206,457.20 and 205,266.38

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Solution

The fourth proportional to 804,305.27, 1,206,457.20 and 205,266.38 is: 307,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,305.27 : 1,206,457.20 = 205,266.38 : x
  2. Step 2: Convert to fraction form
    804,305.27/1,206,457.20 = 205,266.38/x
  3. Step 3: Cross multiply
    804,305.27x = 1,206,457.20 × 205,266.38
  4. Step 4: Simplify right side
    804,305.27x = 247,645,102,068.94
  5. Step 5: Solve for x
    x = 247,645,102,068.94/804,305.27
  6. Step 6: Final answer
    x = 307,899.39

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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.