Finding the Fourth Proportional to 749,958.22, 1,034,939.49 and 405,794.82
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Solution
The fourth proportional to 749,958.22, 1,034,939.49 and 405,794.82 is: 559,995.31
Step by Step Solution
- Step 1: Write the proportion equation
749,958.22 : 1,034,939.49 = 405,794.82 : x - Step 2: Convert to fraction form
749,958.22/1,034,939.49 = 405,794.82/x - Step 3: Cross multiply
749,958.22x = 1,034,939.49 × 405,794.82 - Step 4: Simplify right side
749,958.22x = 419,973,084,055.44 - Step 5: Solve for x
x = 419,973,084,055.44/749,958.22 - Step 6: Final answer
x = 559,995.31
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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.