Home / 809,025.80-1,211,205.90-494,097.80

Finding the Fourth Proportional to 809,025.80, 1,211,205.90 and 494,097.80

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Solution

The fourth proportional to 809,025.80, 1,211,205.90 and 494,097.80 is: 739,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,025.80 : 1,211,205.90 = 494,097.80 : x
  2. Step 2: Convert to fraction form
    809,025.80/1,211,205.90 = 494,097.80/x
  3. Step 3: Cross multiply
    809,025.80x = 1,211,205.90 × 494,097.80
  4. Step 4: Simplify right side
    809,025.80x = 598,454,170,537.02
  5. Step 5: Solve for x
    x = 598,454,170,537.02/809,025.80
  6. Step 6: Final answer
    x = 739,721.98

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1.5x scale

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.