Home / 483,321.34-666,983.18-268,481.39

Finding the Fourth Proportional to 483,321.34, 666,983.18 and 268,481.39

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Solution

The fourth proportional to 483,321.34, 666,983.18 and 268,481.39 is: 370,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,321.34 : 666,983.18 = 268,481.39 : x
  2. Step 2: Convert to fraction form
    483,321.34/666,983.18 = 268,481.39/x
  3. Step 3: Cross multiply
    483,321.34x = 666,983.18 × 268,481.39
  4. Step 4: Simplify right side
    483,321.34x = 179,072,569,930.61
  5. Step 5: Solve for x
    x = 179,072,569,930.61/483,321.34
  6. Step 6: Final answer
    x = 370,504.17

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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.