Home / 804,338.76-1,206,656.43-264,625.38

Finding the Fourth Proportional to 804,338.76, 1,206,656.43 and 264,625.38

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Solution

The fourth proportional to 804,338.76, 1,206,656.43 and 264,625.38 is: 396,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,338.76 : 1,206,656.43 = 264,625.38 : x
  2. Step 2: Convert to fraction form
    804,338.76/1,206,656.43 = 264,625.38/x
  3. Step 3: Cross multiply
    804,338.76x = 1,206,656.43 × 264,625.38
  4. Step 4: Simplify right side
    804,338.76x = 319,311,916,318.19
  5. Step 5: Solve for x
    x = 319,311,916,318.19/804,338.76
  6. Step 6: Final answer
    x = 396,986.86

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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.