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Finding the Fourth Proportional to 446,836.20, 670,254.30 and 397,069.80

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Solution

The fourth proportional to 446,836.20, 670,254.30 and 397,069.80 is: 595,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,836.20 : 670,254.30 = 397,069.80 : x
  2. Step 2: Convert to fraction form
    446,836.20/670,254.30 = 397,069.80/x
  3. Step 3: Cross multiply
    446,836.20x = 670,254.30 × 397,069.80
  4. Step 4: Simplify right side
    446,836.20x = 266,137,740,850.14
  5. Step 5: Solve for x
    x = 266,137,740,850.14/446,836.20
  6. Step 6: Final answer
    x = 595,604.70

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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.