Home / 804,367.89-1,206,551.45-205,328.86

Finding the Fourth Proportional to 804,367.89, 1,206,551.45 and 205,328.86

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Solution

The fourth proportional to 804,367.89, 1,206,551.45 and 205,328.86 is: 307,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,367.89 : 1,206,551.45 = 205,328.86 : x
  2. Step 2: Convert to fraction form
    804,367.89/1,206,551.45 = 205,328.86/x
  3. Step 3: Cross multiply
    804,367.89x = 1,206,551.45 × 205,328.86
  4. Step 4: Simplify right side
    804,367.89x = 247,739,832,998.53
  5. Step 5: Solve for x
    x = 247,739,832,998.53/804,367.89
  6. Step 6: Final answer
    x = 307,993.19

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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.