Home / 728,211.96-1,092,200.82-307,433.16

Finding the Fourth Proportional to 728,211.96, 1,092,200.82 and 307,433.16

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Solution

The fourth proportional to 728,211.96, 1,092,200.82 and 307,433.16 is: 461,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,211.96 : 1,092,200.82 = 307,433.16 : x
  2. Step 2: Convert to fraction form
    728,211.96/1,092,200.82 = 307,433.16/x
  3. Step 3: Cross multiply
    728,211.96x = 1,092,200.82 × 307,433.16
  4. Step 4: Simplify right side
    728,211.96x = 335,778,749,447.19
  5. Step 5: Solve for x
    x = 335,778,749,447.19/728,211.96
  6. Step 6: Final answer
    x = 461,100.29

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1.5x scale

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.