Home / 794,205.20-1,191,530.20-321,222.80

Finding the Fourth Proportional to 794,205.20, 1,191,530.20 and 321,222.80

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Solution

The fourth proportional to 794,205.20, 1,191,530.20 and 321,222.80 is: 481,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,205.20 : 1,191,530.20 = 321,222.80 : x
  2. Step 2: Convert to fraction form
    794,205.20/1,191,530.20 = 321,222.80/x
  3. Step 3: Cross multiply
    794,205.20x = 1,191,530.20 × 321,222.80
  4. Step 4: Simplify right side
    794,205.20x = 382,746,667,128.56
  5. Step 5: Solve for x
    x = 382,746,667,128.56/794,205.20
  6. Step 6: Final answer
    x = 481,924.15

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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.