Home / 804,320.82-1,109,975.13-441,759.42

Finding the Fourth Proportional to 804,320.82, 1,109,975.13 and 441,759.42

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Solution

The fourth proportional to 804,320.82, 1,109,975.13 and 441,759.42 is: 609,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,320.82 : 1,109,975.13 = 441,759.42 : x
  2. Step 2: Convert to fraction form
    804,320.82/1,109,975.13 = 441,759.42/x
  3. Step 3: Cross multiply
    804,320.82x = 1,109,975.13 × 441,759.42
  4. Step 4: Simplify right side
    804,320.82x = 490,341,969,643.23
  5. Step 5: Solve for x
    x = 490,341,969,643.23/804,320.82
  6. Step 6: Final answer
    x = 609,634.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.