Home / 751,238.35-1,126,859.34-218,772.29

Finding the Fourth Proportional to 751,238.35, 1,126,859.34 and 218,772.29

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Solution

The fourth proportional to 751,238.35, 1,126,859.34 and 218,772.29 is: 328,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,238.35 : 1,126,859.34 = 218,772.29 : x
  2. Step 2: Convert to fraction form
    751,238.35/1,126,859.34 = 218,772.29/x
  3. Step 3: Cross multiply
    751,238.35x = 1,126,859.34 × 218,772.29
  4. Step 4: Simplify right side
    751,238.35x = 246,525,601,957.23
  5. Step 5: Solve for x
    x = 246,525,601,957.23/751,238.35
  6. Step 6: Final answer
    x = 328,158.97

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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.