Finding the Fourth Proportional to 870,759.05, 1,305,806.41 and 415,269.82
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Solution
The fourth proportional to 870,759.05, 1,305,806.41 and 415,269.82 is: 622,746.32
Step by Step Solution
- Step 1: Write the proportion equation
870,759.05 : 1,305,806.41 = 415,269.82 : x - Step 2: Convert to fraction form
870,759.05/1,305,806.41 = 415,269.82/x - Step 3: Cross multiply
870,759.05x = 1,305,806.41 × 415,269.82 - Step 4: Simplify right side
870,759.05x = 542,261,994,986.89 - Step 5: Solve for x
x = 542,261,994,986.89/870,759.05 - Step 6: Final answer
x = 622,746.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.