Home / 853,653.96-1,279,463.58-397,633.32

Finding the Fourth Proportional to 853,653.96, 1,279,463.58 and 397,633.32

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Solution

The fourth proportional to 853,653.96, 1,279,463.58 and 397,633.32 is: 595,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,653.96 : 1,279,463.58 = 397,633.32 : x
  2. Step 2: Convert to fraction form
    853,653.96/1,279,463.58 = 397,633.32/x
  3. Step 3: Cross multiply
    853,653.96x = 1,279,463.58 × 397,633.32
  4. Step 4: Simplify right side
    853,653.96x = 508,757,351,134.49
  5. Step 5: Solve for x
    x = 508,757,351,134.49/853,653.96
  6. Step 6: Final answer
    x = 595,976.09

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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.