Home / 804,030.82-1,206,072.87-404,453.86

Finding the Fourth Proportional to 804,030.82, 1,206,072.87 and 404,453.86

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Solution

The fourth proportional to 804,030.82, 1,206,072.87 and 404,453.86 is: 606,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,030.82 : 1,206,072.87 = 404,453.86 : x
  2. Step 2: Convert to fraction form
    804,030.82/1,206,072.87 = 404,453.86/x
  3. Step 3: Cross multiply
    804,030.82x = 1,206,072.87 × 404,453.86
  4. Step 4: Simplify right side
    804,030.82x = 487,800,830,737.07
  5. Step 5: Solve for x
    x = 487,800,830,737.07/804,030.82
  6. Step 6: Final answer
    x = 606,694.19

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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.