Home / 848,235-1,170,566.73-485,664.42

Finding the Fourth Proportional to 848,235, 1,170,566.73 and 485,664.42

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Solution

The fourth proportional to 848,235, 1,170,566.73 and 485,664.42 is: 670,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,235 : 1,170,566.73 = 485,664.42 : x
  2. Step 2: Convert to fraction form
    848,235/1,170,566.73 = 485,664.42/x
  3. Step 3: Cross multiply
    848,235x = 1,170,566.73 × 485,664.42
  4. Step 4: Simplify right side
    848,235x = 568,502,611,996.75
  5. Step 5: Solve for x
    x = 568,502,611,996.75/848,235
  6. Step 6: Final answer
    x = 670,218.29

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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.