Finding the Fourth Proportional to 806,657.80, 1,209,986.70 and 682,241.80
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Solution
The fourth proportional to 806,657.80, 1,209,986.70 and 682,241.80 is: 1,023,362.70
Step by Step Solution
- Step 1: Write the proportion equation
806,657.80 : 1,209,986.70 = 682,241.80 : x - Step 2: Convert to fraction form
806,657.80/1,209,986.70 = 682,241.80/x - Step 3: Cross multiply
806,657.80x = 1,209,986.70 × 682,241.80 - Step 4: Simplify right side
806,657.80x = 825,503,504,184.06 - Step 5: Solve for x
x = 825,503,504,184.06/806,657.80 - Step 6: Final answer
x = 1,023,362.70
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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.