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Finding the Fourth Proportional to 646,561.60, 969,669.60 and 225,793.60

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Solution

The fourth proportional to 646,561.60, 969,669.60 and 225,793.60 is: 338,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,561.60 : 969,669.60 = 225,793.60 : x
  2. Step 2: Convert to fraction form
    646,561.60/969,669.60 = 225,793.60/x
  3. Step 3: Cross multiply
    646,561.60x = 969,669.60 × 225,793.60
  4. Step 4: Simplify right side
    646,561.60x = 218,945,189,794.56
  5. Step 5: Solve for x
    x = 218,945,189,794.56/646,561.60
  6. Step 6: Final answer
    x = 338,630.05

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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.