Home / 548,338.11-756,777.06-306,634.23

Finding the Fourth Proportional to 548,338.11, 756,777.06 and 306,634.23

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Solution

The fourth proportional to 548,338.11, 756,777.06 and 306,634.23 is: 423,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,338.11 : 756,777.06 = 306,634.23 : x
  2. Step 2: Convert to fraction form
    548,338.11/756,777.06 = 306,634.23/x
  3. Step 3: Cross multiply
    548,338.11x = 756,777.06 × 306,634.23
  4. Step 4: Simplify right side
    548,338.11x = 232,053,751,074.76
  5. Step 5: Solve for x
    x = 232,053,751,074.76/548,338.11
  6. Step 6: Final answer
    x = 423,194.64

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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.