Home / 803,983.82-1,109,447.96-441,405.66

Finding the Fourth Proportional to 803,983.82, 1,109,447.96 and 441,405.66

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Solution

The fourth proportional to 803,983.82, 1,109,447.96 and 441,405.66 is: 609,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,983.82 : 1,109,447.96 = 441,405.66 : x
  2. Step 2: Convert to fraction form
    803,983.82/1,109,447.96 = 441,405.66/x
  3. Step 3: Cross multiply
    803,983.82x = 1,109,447.96 × 441,405.66
  4. Step 4: Simplify right side
    803,983.82x = 489,716,604,575.73
  5. Step 5: Solve for x
    x = 489,716,604,575.73/803,983.82
  6. Step 6: Final answer
    x = 609,112.51

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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.