Home / 828,162.82-1,242,241.93-259,587.10

Finding the Fourth Proportional to 828,162.82, 1,242,241.93 and 259,587.10

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Solution

The fourth proportional to 828,162.82, 1,242,241.93 and 259,587.10 is: 389,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,162.82 : 1,242,241.93 = 259,587.10 : x
  2. Step 2: Convert to fraction form
    828,162.82/1,242,241.93 = 259,587.10/x
  3. Step 3: Cross multiply
    828,162.82x = 1,242,241.93 × 259,587.10
  4. Step 4: Simplify right side
    828,162.82x = 322,469,980,107.10
  5. Step 5: Solve for x
    x = 322,469,980,107.10/828,162.82
  6. Step 6: Final answer
    x = 389,379.93

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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.