Home / 812,255.68-1,120,870.22-444,662.35

Finding the Fourth Proportional to 812,255.68, 1,120,870.22 and 444,662.35

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Solution

The fourth proportional to 812,255.68, 1,120,870.22 and 444,662.35 is: 613,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,255.68 : 1,120,870.22 = 444,662.35 : x
  2. Step 2: Convert to fraction form
    812,255.68/1,120,870.22 = 444,662.35/x
  3. Step 3: Cross multiply
    812,255.68x = 1,120,870.22 × 444,662.35
  4. Step 4: Simplify right side
    812,255.68x = 498,408,786,070.22
  5. Step 5: Solve for x
    x = 498,408,786,070.22/812,255.68
  6. Step 6: Final answer
    x = 613,610.71

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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.