Home / 792,781.44-1,189,353.78-343,577.76

Finding the Fourth Proportional to 792,781.44, 1,189,353.78 and 343,577.76

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Solution

The fourth proportional to 792,781.44, 1,189,353.78 and 343,577.76 is: 515,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,781.44 : 1,189,353.78 = 343,577.76 : x
  2. Step 2: Convert to fraction form
    792,781.44/1,189,353.78 = 343,577.76/x
  3. Step 3: Cross multiply
    792,781.44x = 1,189,353.78 × 343,577.76
  4. Step 4: Simplify right side
    792,781.44x = 408,635,507,579.93
  5. Step 5: Solve for x
    x = 408,635,507,579.93/792,781.44
  6. Step 6: Final answer
    x = 515,445.35

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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.