Home / 808,241.65-1,115,352.03-445,659.37

Finding the Fourth Proportional to 808,241.65, 1,115,352.03 and 445,659.37

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Solution

The fourth proportional to 808,241.65, 1,115,352.03 and 445,659.37 is: 614,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,241.65 : 1,115,352.03 = 445,659.37 : x
  2. Step 2: Convert to fraction form
    808,241.65/1,115,352.03 = 445,659.37/x
  3. Step 3: Cross multiply
    808,241.65x = 1,115,352.03 × 445,659.37
  4. Step 4: Simplify right side
    808,241.65x = 497,067,083,578.10
  5. Step 5: Solve for x
    x = 497,067,083,578.10/808,241.65
  6. Step 6: Final answer
    x = 614,998.10

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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.