Home / 481,220.06-664,153.56-277,231.28

Finding the Fourth Proportional to 481,220.06, 664,153.56 and 277,231.28

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Solution

The fourth proportional to 481,220.06, 664,153.56 and 277,231.28 is: 382,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,220.06 : 664,153.56 = 277,231.28 : x
  2. Step 2: Convert to fraction form
    481,220.06/664,153.56 = 277,231.28/x
  3. Step 3: Cross multiply
    481,220.06x = 664,153.56 × 277,231.28
  4. Step 4: Simplify right side
    481,220.06x = 184,124,138,234.59
  5. Step 5: Solve for x
    x = 184,124,138,234.59/481,220.06
  6. Step 6: Final answer
    x = 382,619.42

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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.