Home / 483,999.63-667,935.68-266,217.51

Finding the Fourth Proportional to 483,999.63, 667,935.68 and 266,217.51

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Solution

The fourth proportional to 483,999.63, 667,935.68 and 266,217.51 is: 367,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,999.63 : 667,935.68 = 266,217.51 : x
  2. Step 2: Convert to fraction form
    483,999.63/667,935.68 = 266,217.51/x
  3. Step 3: Cross multiply
    483,999.63x = 667,935.68 × 266,217.51
  4. Step 4: Simplify right side
    483,999.63x = 177,816,171,730.54
  5. Step 5: Solve for x
    x = 177,816,171,730.54/483,999.63
  6. Step 6: Final answer
    x = 367,389.07

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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.