Home / 916,628.44-1,375,022.67-376,917.58

Finding the Fourth Proportional to 916,628.44, 1,375,022.67 and 376,917.58

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Solution

The fourth proportional to 916,628.44, 1,375,022.67 and 376,917.58 is: 565,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,628.44 : 1,375,022.67 = 376,917.58 : x
  2. Step 2: Convert to fraction form
    916,628.44/1,375,022.67 = 376,917.58/x
  3. Step 3: Cross multiply
    916,628.44x = 1,375,022.67 × 376,917.58
  4. Step 4: Simplify right side
    916,628.44x = 518,270,217,221.54
  5. Step 5: Solve for x
    x = 518,270,217,221.54/916,628.44
  6. Step 6: Final answer
    x = 565,409.27

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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.