Home / 330,822.80-496,234.20-297,645.20

Finding the Fourth Proportional to 330,822.80, 496,234.20 and 297,645.20

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Solution

The fourth proportional to 330,822.80, 496,234.20 and 297,645.20 is: 446,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,822.80 : 496,234.20 = 297,645.20 : x
  2. Step 2: Convert to fraction form
    330,822.80/496,234.20 = 297,645.20/x
  3. Step 3: Cross multiply
    330,822.80x = 496,234.20 × 297,645.20
  4. Step 4: Simplify right side
    330,822.80x = 147,701,727,705.84
  5. Step 5: Solve for x
    x = 147,701,727,705.84/330,822.80
  6. Step 6: Final answer
    x = 446,467.80

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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.