Home / 751,486.21-1,126,988.73-245,910.13

Finding the Fourth Proportional to 751,486.21, 1,126,988.73 and 245,910.13

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Solution

The fourth proportional to 751,486.21, 1,126,988.73 and 245,910.13 is: 368,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,486.21 : 1,126,988.73 = 245,910.13 : x
  2. Step 2: Convert to fraction form
    751,486.21/1,126,988.73 = 245,910.13/x
  3. Step 3: Cross multiply
    751,486.21x = 1,126,988.73 × 245,910.13
  4. Step 4: Simplify right side
    751,486.21x = 277,137,945,102.84
  5. Step 5: Solve for x
    x = 277,137,945,102.84/751,486.21
  6. Step 6: Final answer
    x = 368,786.47

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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.