Home / 1,217,230.80-1,825,846.20-330,766.80

Finding the Fourth Proportional to 1,217,230.80, 1,825,846.20 and 330,766.80

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Solution

The fourth proportional to 1,217,230.80, 1,825,846.20 and 330,766.80 is: 496,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,230.80 : 1,825,846.20 = 330,766.80 : x
  2. Step 2: Convert to fraction form
    1,217,230.80/1,825,846.20 = 330,766.80/x
  3. Step 3: Cross multiply
    1,217,230.80x = 1,825,846.20 × 330,766.80
  4. Step 4: Simplify right side
    1,217,230.80x = 603,929,304,866.16
  5. Step 5: Solve for x
    x = 603,929,304,866.16/1,217,230.80
  6. Step 6: Final answer
    x = 496,150.20

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Double scale
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Similar ratio
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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.