Home / 447,096.20-670,644.30-397,329.80

Finding the Fourth Proportional to 447,096.20, 670,644.30 and 397,329.80

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Solution

The fourth proportional to 447,096.20, 670,644.30 and 397,329.80 is: 595,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,096.20 : 670,644.30 = 397,329.80 : x
  2. Step 2: Convert to fraction form
    447,096.20/670,644.30 = 397,329.80/x
  3. Step 3: Cross multiply
    447,096.20x = 670,644.30 × 397,329.80
  4. Step 4: Simplify right side
    447,096.20x = 266,466,965,590.14
  5. Step 5: Solve for x
    x = 266,466,965,590.14/447,096.20
  6. Step 6: Final answer
    x = 595,994.70

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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.