Home / 481,480.20-664,434.90-266,619.60

Finding the Fourth Proportional to 481,480.20, 664,434.90 and 266,619.60

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Solution

The fourth proportional to 481,480.20, 664,434.90 and 266,619.60 is: 367,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,480.20 : 664,434.90 = 266,619.60 : x
  2. Step 2: Convert to fraction form
    481,480.20/664,434.90 = 266,619.60/x
  3. Step 3: Cross multiply
    481,480.20x = 664,434.90 × 266,619.60
  4. Step 4: Simplify right side
    481,480.20x = 177,151,367,264.04
  5. Step 5: Solve for x
    x = 177,151,367,264.04/481,480.20
  6. Step 6: Final answer
    x = 367,930.74

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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.