Home / 839,814.56-1,259,939-240,819.56

Finding the Fourth Proportional to 839,814.56, 1,259,939 and 240,819.56

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Solution

The fourth proportional to 839,814.56, 1,259,939 and 240,819.56 is: 361,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,814.56 : 1,259,939 = 240,819.56 : x
  2. Step 2: Convert to fraction form
    839,814.56/1,259,939 = 240,819.56/x
  3. Step 3: Cross multiply
    839,814.56x = 1,259,939 × 240,819.56
  4. Step 4: Simplify right side
    839,814.56x = 303,417,955,606.84
  5. Step 5: Solve for x
    x = 303,417,955,606.84/839,814.56
  6. Step 6: Final answer
    x = 361,291.61

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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.