Home / 848,481.37-1,272,388.53-308,609.48

Finding the Fourth Proportional to 848,481.37, 1,272,388.53 and 308,609.48

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Solution

The fourth proportional to 848,481.37, 1,272,388.53 and 308,609.48 is: 462,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,481.37 : 1,272,388.53 = 308,609.48 : x
  2. Step 2: Convert to fraction form
    848,481.37/1,272,388.53 = 308,609.48/x
  3. Step 3: Cross multiply
    848,481.37x = 1,272,388.53 × 308,609.48
  4. Step 4: Simplify right side
    848,481.37x = 392,671,161,058.22
  5. Step 5: Solve for x
    x = 392,671,161,058.22/848,481.37
  6. Step 6: Final answer
    x = 462,792.91

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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.