Home / 397,320.20-595,980.30-330,835.40

Finding the Fourth Proportional to 397,320.20, 595,980.30 and 330,835.40

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Solution

The fourth proportional to 397,320.20, 595,980.30 and 330,835.40 is: 496,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,320.20 : 595,980.30 = 330,835.40 : x
  2. Step 2: Convert to fraction form
    397,320.20/595,980.30 = 330,835.40/x
  3. Step 3: Cross multiply
    397,320.20x = 595,980.30 × 330,835.40
  4. Step 4: Simplify right side
    397,320.20x = 197,171,380,942.62
  5. Step 5: Solve for x
    x = 197,171,380,942.62/397,320.20
  6. Step 6: Final answer
    x = 496,253.10

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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.