Home / 481,484.25-664,440.09-266,619.69

Finding the Fourth Proportional to 481,484.25, 664,440.09 and 266,619.69

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Solution

The fourth proportional to 481,484.25, 664,440.09 and 266,619.69 is: 367,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,484.25 : 664,440.09 = 266,619.69 : x
  2. Step 2: Convert to fraction form
    481,484.25/664,440.09 = 266,619.69/x
  3. Step 3: Cross multiply
    481,484.25x = 664,440.09 × 266,619.69
  4. Step 4: Simplify right side
    481,484.25x = 177,152,810,819.37
  5. Step 5: Solve for x
    x = 177,152,810,819.37/481,484.25
  6. Step 6: Final answer
    x = 367,930.65

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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.