Home / 397,318.20-595,977.30-330,833.40

Finding the Fourth Proportional to 397,318.20, 595,977.30 and 330,833.40

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Solution

The fourth proportional to 397,318.20, 595,977.30 and 330,833.40 is: 496,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,318.20 : 595,977.30 = 330,833.40 : x
  2. Step 2: Convert to fraction form
    397,318.20/595,977.30 = 330,833.40/x
  3. Step 3: Cross multiply
    397,318.20x = 595,977.30 × 330,833.40
  4. Step 4: Simplify right side
    397,318.20x = 197,169,196,481.82
  5. Step 5: Solve for x
    x = 197,169,196,481.82/397,318.20
  6. Step 6: Final answer
    x = 496,250.10

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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.