Home / 455,229.65-628,453.01-332,584.31

Finding the Fourth Proportional to 455,229.65, 628,453.01 and 332,584.31

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Solution

The fourth proportional to 455,229.65, 628,453.01 and 332,584.31 is: 459,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,229.65 : 628,453.01 = 332,584.31 : x
  2. Step 2: Convert to fraction form
    455,229.65/628,453.01 = 332,584.31/x
  3. Step 3: Cross multiply
    455,229.65x = 628,453.01 × 332,584.31
  4. Step 4: Simplify right side
    455,229.65x = 209,013,613,100.87
  5. Step 5: Solve for x
    x = 209,013,613,100.87/455,229.65
  6. Step 6: Final answer
    x = 459,138.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.