Home / 591,399.20-885,786.60-457,554.80

Finding the Fourth Proportional to 591,399.20, 885,786.60 and 457,554.80

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Solution

The fourth proportional to 591,399.20, 885,786.60 and 457,554.80 is: 685,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,399.20 : 885,786.60 = 457,554.80 : x
  2. Step 2: Convert to fraction form
    591,399.20/885,786.60 = 457,554.80/x
  3. Step 3: Cross multiply
    591,399.20x = 885,786.60 × 457,554.80
  4. Step 4: Simplify right side
    591,399.20x = 405,295,910,605.68
  5. Step 5: Solve for x
    x = 405,295,910,605.68/591,399.20
  6. Step 6: Final answer
    x = 685,316.97

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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.