Home / 847,107.96-1,270,288.92-397,956.48

Finding the Fourth Proportional to 847,107.96, 1,270,288.92 and 397,956.48

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Solution

The fourth proportional to 847,107.96, 1,270,288.92 and 397,956.48 is: 596,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,107.96 : 1,270,288.92 = 397,956.48 : x
  2. Step 2: Convert to fraction form
    847,107.96/1,270,288.92 = 397,956.48/x
  3. Step 3: Cross multiply
    847,107.96x = 1,270,288.92 × 397,956.48
  4. Step 4: Simplify right side
    847,107.96x = 505,519,707,186.20
  5. Step 5: Solve for x
    x = 505,519,707,186.20/847,107.96
  6. Step 6: Final answer
    x = 596,759.48

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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.