Home / 548,162.13-756,469.37-306,458.13

Finding the Fourth Proportional to 548,162.13, 756,469.37 and 306,458.13

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Solution

The fourth proportional to 548,162.13, 756,469.37 and 306,458.13 is: 422,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,162.13 : 756,469.37 = 306,458.13 : x
  2. Step 2: Convert to fraction form
    548,162.13/756,469.37 = 306,458.13/x
  3. Step 3: Cross multiply
    548,162.13x = 756,469.37 × 306,458.13
  4. Step 4: Simplify right side
    548,162.13x = 231,826,187,000.19
  5. Step 5: Solve for x
    x = 231,826,187,000.19/548,162.13
  6. Step 6: Final answer
    x = 422,915.36

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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.