Home / 455,422.20-682,039.80-244,595.40

Finding the Fourth Proportional to 455,422.20, 682,039.80 and 244,595.40

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Solution

The fourth proportional to 455,422.20, 682,039.80 and 244,595.40 is: 366,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,422.20 : 682,039.80 = 244,595.40 : x
  2. Step 2: Convert to fraction form
    455,422.20/682,039.80 = 244,595.40/x
  3. Step 3: Cross multiply
    455,422.20x = 682,039.80 × 244,595.40
  4. Step 4: Simplify right side
    455,422.20x = 166,823,797,696.92
  5. Step 5: Solve for x
    x = 166,823,797,696.92/455,422.20
  6. Step 6: Final answer
    x = 366,305.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.