Home / 397,326.20-595,989.30-330,841.40

Finding the Fourth Proportional to 397,326.20, 595,989.30 and 330,841.40

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Solution

The fourth proportional to 397,326.20, 595,989.30 and 330,841.40 is: 496,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,326.20 : 595,989.30 = 330,841.40 : x
  2. Step 2: Convert to fraction form
    397,326.20/595,989.30 = 330,841.40/x
  3. Step 3: Cross multiply
    397,326.20x = 595,989.30 × 330,841.40
  4. Step 4: Simplify right side
    397,326.20x = 197,177,934,397.02
  5. Step 5: Solve for x
    x = 197,177,934,397.02/397,326.20
  6. Step 6: Final answer
    x = 496,262.10

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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.