Home / 788,485.20-1,183,140.90-362,149.80

Finding the Fourth Proportional to 788,485.20, 1,183,140.90 and 362,149.80

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Solution

The fourth proportional to 788,485.20, 1,183,140.90 and 362,149.80 is: 543,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,485.20 : 1,183,140.90 = 362,149.80 : x
  2. Step 2: Convert to fraction form
    788,485.20/1,183,140.90 = 362,149.80/x
  3. Step 3: Cross multiply
    788,485.20x = 1,183,140.90 × 362,149.80
  4. Step 4: Simplify right side
    788,485.20x = 428,474,240,306.82
  5. Step 5: Solve for x
    x = 428,474,240,306.82/788,485.20
  6. Step 6: Final answer
    x = 543,414.44

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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.