Home / 646,076.25-969,122.58-225,352.13

Finding the Fourth Proportional to 646,076.25, 969,122.58 and 225,352.13

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Solution

The fourth proportional to 646,076.25, 969,122.58 and 225,352.13 is: 338,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,076.25 : 969,122.58 = 225,352.13 : x
  2. Step 2: Convert to fraction form
    646,076.25/969,122.58 = 225,352.13/x
  3. Step 3: Cross multiply
    646,076.25x = 969,122.58 × 225,352.13
  4. Step 4: Simplify right side
    646,076.25x = 218,393,831,943.41
  5. Step 5: Solve for x
    x = 218,393,831,943.41/646,076.25
  6. Step 6: Final answer
    x = 338,031.05

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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.