Finding the Fourth Proportional to 673,840.97, 929,564.83 and 401,717.12
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Solution
The fourth proportional to 673,840.97, 929,564.83 and 401,717.12 is: 554,169.49
Step by Step Solution
- Step 1: Write the proportion equation
673,840.97 : 929,564.83 = 401,717.12 : x - Step 2: Convert to fraction form
673,840.97/929,564.83 = 401,717.12/x - Step 3: Cross multiply
673,840.97x = 929,564.83 × 401,717.12 - Step 4: Simplify right side
673,840.97x = 373,422,100,708.77 - Step 5: Solve for x
x = 373,422,100,708.77/673,840.97 - Step 6: Final answer
x = 554,169.49
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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.