Home / 548,202.39-756,588.75-306,499.24

Finding the Fourth Proportional to 548,202.39, 756,588.75 and 306,499.24

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Solution

The fourth proportional to 548,202.39, 756,588.75 and 306,499.24 is: 423,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,202.39 : 756,588.75 = 306,499.24 : x
  2. Step 2: Convert to fraction form
    548,202.39/756,588.75 = 306,499.24/x
  3. Step 3: Cross multiply
    548,202.39x = 756,588.75 × 306,499.24
  4. Step 4: Simplify right side
    548,202.39x = 231,893,876,867.55
  5. Step 5: Solve for x
    x = 231,893,876,867.55/548,202.39
  6. Step 6: Final answer
    x = 423,007.78

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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.