Home / 786,906.35-1,086,014.85-481,161.92

Finding the Fourth Proportional to 786,906.35, 1,086,014.85 and 481,161.92

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Solution

The fourth proportional to 786,906.35, 1,086,014.85 and 481,161.92 is: 664,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,906.35 : 1,086,014.85 = 481,161.92 : x
  2. Step 2: Convert to fraction form
    786,906.35/1,086,014.85 = 481,161.92/x
  3. Step 3: Cross multiply
    786,906.35x = 1,086,014.85 × 481,161.92
  4. Step 4: Simplify right side
    786,906.35x = 522,548,993,089.55
  5. Step 5: Solve for x
    x = 522,548,993,089.55/786,906.35
  6. Step 6: Final answer
    x = 664,054.87

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1.5x scale

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.