Home / 842,906.72-1,163,212.44-475,388.66

Finding the Fourth Proportional to 842,906.72, 1,163,212.44 and 475,388.66

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Solution

The fourth proportional to 842,906.72, 1,163,212.44 and 475,388.66 is: 656,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,906.72 : 1,163,212.44 = 475,388.66 : x
  2. Step 2: Convert to fraction form
    842,906.72/1,163,212.44 = 475,388.66/x
  3. Step 3: Cross multiply
    842,906.72x = 1,163,212.44 × 475,388.66
  4. Step 4: Simplify right side
    842,906.72x = 552,978,003,146.93
  5. Step 5: Solve for x
    x = 552,978,003,146.93/842,906.72
  6. Step 6: Final answer
    x = 656,037.01

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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.