Home / 646,309.35-969,906.78-225,585.18

Finding the Fourth Proportional to 646,309.35, 969,906.78 and 225,585.18

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Solution

The fourth proportional to 646,309.35, 969,906.78 and 225,585.18 is: 338,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,309.35 : 969,906.78 = 225,585.18 : x
  2. Step 2: Convert to fraction form
    646,309.35/969,906.78 = 225,585.18/x
  3. Step 3: Cross multiply
    646,309.35x = 969,906.78 × 225,585.18
  4. Step 4: Simplify right side
    646,309.35x = 218,796,595,549.52
  5. Step 5: Solve for x
    x = 218,796,595,549.52/646,309.35
  6. Step 6: Final answer
    x = 338,532.31

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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.