Home / 848,481.39-1,272,388.57-308,609.51

Finding the Fourth Proportional to 848,481.39, 1,272,388.57 and 308,609.51

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Solution

The fourth proportional to 848,481.39, 1,272,388.57 and 308,609.51 is: 462,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,481.39 : 1,272,388.57 = 308,609.51 : x
  2. Step 2: Convert to fraction form
    848,481.39/1,272,388.57 = 308,609.51/x
  3. Step 3: Cross multiply
    848,481.39x = 1,272,388.57 × 308,609.51
  4. Step 4: Simplify right side
    848,481.39x = 392,671,213,117.30
  5. Step 5: Solve for x
    x = 392,671,213,117.30/848,481.39
  6. Step 6: Final answer
    x = 462,792.96

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1.5x scale

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.