Finding the Fourth Proportional to 618,427.44, 853,412.09 and 360,361.44
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Solution
The fourth proportional to 618,427.44, 853,412.09 and 360,361.44 is: 497,288.43
Step by Step Solution
- Step 1: Write the proportion equation
618,427.44 : 853,412.09 = 360,361.44 : x - Step 2: Convert to fraction form
618,427.44/853,412.09 = 360,361.44/x - Step 3: Cross multiply
618,427.44x = 853,412.09 × 360,361.44 - Step 4: Simplify right side
618,427.44x = 307,536,807,864.00 - Step 5: Solve for x
x = 307,536,807,864.00/618,427.44 - Step 6: Final answer
x = 497,288.43
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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.