Finding the Fourth Proportional to 986,791.42, 1,361,805.18 and 604,744.42
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Solution
The fourth proportional to 986,791.42, 1,361,805.18 and 604,744.42 is: 834,567.54
Step by Step Solution
- Step 1: Write the proportion equation
986,791.42 : 1,361,805.18 = 604,744.42 : x - Step 2: Convert to fraction form
986,791.42/1,361,805.18 = 604,744.42/x - Step 3: Cross multiply
986,791.42x = 1,361,805.18 × 604,744.42 - Step 4: Simplify right side
986,791.42x = 823,544,083,732.10 - Step 5: Solve for x
x = 823,544,083,732.10/986,791.42 - Step 6: Final answer
x = 834,567.54
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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.