Home / 847,105.97-1,270,285.92-397,954.49

Finding the Fourth Proportional to 847,105.97, 1,270,285.92 and 397,954.49

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Solution

The fourth proportional to 847,105.97, 1,270,285.92 and 397,954.49 is: 596,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,105.97 : 1,270,285.92 = 397,954.49 : x
  2. Step 2: Convert to fraction form
    847,105.97/1,270,285.92 = 397,954.49/x
  3. Step 3: Cross multiply
    847,105.97x = 1,270,285.92 × 397,954.49
  4. Step 4: Simplify right side
    847,105.97x = 505,515,979,096.35
  5. Step 5: Solve for x
    x = 505,515,979,096.35/847,105.97
  6. Step 6: Final answer
    x = 596,756.49

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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.