Home / 839,619.97-1,259,834.90-412,924.32

Finding the Fourth Proportional to 839,619.97, 1,259,834.90 and 412,924.32

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Solution

The fourth proportional to 839,619.97, 1,259,834.90 and 412,924.32 is: 619,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,619.97 : 1,259,834.90 = 412,924.32 : x
  2. Step 2: Convert to fraction form
    839,619.97/1,259,834.90 = 412,924.32/x
  3. Step 3: Cross multiply
    839,619.97x = 1,259,834.90 × 412,924.32
  4. Step 4: Simplify right side
    839,619.97x = 520,216,467,330.15
  5. Step 5: Solve for x
    x = 520,216,467,330.15/839,619.97
  6. Step 6: Final answer
    x = 619,585.63

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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.