Home / 654,131.30-902,709.33-396,004.82

Finding the Fourth Proportional to 654,131.30, 902,709.33 and 396,004.82

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Solution

The fourth proportional to 654,131.30, 902,709.33 and 396,004.82 is: 546,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,131.30 : 902,709.33 = 396,004.82 : x
  2. Step 2: Convert to fraction form
    654,131.30/902,709.33 = 396,004.82/x
  3. Step 3: Cross multiply
    654,131.30x = 902,709.33 × 396,004.82
  4. Step 4: Simplify right side
    654,131.30x = 357,477,245,738.97
  5. Step 5: Solve for x
    x = 357,477,245,738.97/654,131.30
  6. Step 6: Final answer
    x = 546,491.58

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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.