Finding the Fourth Proportional to 741,055.81, 1,022,540.77 and 431,026.99
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Solution
The fourth proportional to 741,055.81, 1,022,540.77 and 431,026.99 is: 594,749.63
Step by Step Solution
- Step 1: Write the proportion equation
741,055.81 : 1,022,540.77 = 431,026.99 : x - Step 2: Convert to fraction form
741,055.81/1,022,540.77 = 431,026.99/x - Step 3: Cross multiply
741,055.81x = 1,022,540.77 × 431,026.99 - Step 4: Simplify right side
741,055.81x = 440,742,670,245.38 - Step 5: Solve for x
x = 440,742,670,245.38/741,055.81 - Step 6: Final answer
x = 594,749.63
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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.