Home / 839,027.68-1,257,698.81-269,990.57

Finding the Fourth Proportional to 839,027.68, 1,257,698.81 and 269,990.57

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Solution

The fourth proportional to 839,027.68, 1,257,698.81 and 269,990.57 is: 404,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,027.68 : 1,257,698.81 = 269,990.57 : x
  2. Step 2: Convert to fraction form
    839,027.68/1,257,698.81 = 269,990.57/x
  3. Step 3: Cross multiply
    839,027.68x = 1,257,698.81 × 269,990.57
  4. Step 4: Simplify right side
    839,027.68x = 339,566,822,419.45
  5. Step 5: Solve for x
    x = 339,566,822,419.45/839,027.68
  6. Step 6: Final answer
    x = 404,714.69

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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.