Finding the Fourth Proportional to 845,519.40, 1,166,198.58 and 539,805.96
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Solution
The fourth proportional to 845,519.40, 1,166,198.58 and 539,805.96 is: 744,537.55
Step by Step Solution
- Step 1: Write the proportion equation
845,519.40 : 1,166,198.58 = 539,805.96 : x - Step 2: Convert to fraction form
845,519.40/1,166,198.58 = 539,805.96/x - Step 3: Cross multiply
845,519.40x = 1,166,198.58 × 539,805.96 - Step 4: Simplify right side
845,519.40x = 629,520,944,027.54 - Step 5: Solve for x
x = 629,520,944,027.54/845,519.40 - Step 6: Final answer
x = 744,537.55
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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.