Finding the Fourth Proportional to 703,986.96, 1,054,230.81 and 644,259.96
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Solution
The fourth proportional to 703,986.96, 1,054,230.81 and 644,259.96 is: 964,788.75
Step by Step Solution
- Step 1: Write the proportion equation
703,986.96 : 1,054,230.81 = 644,259.96 : x - Step 2: Convert to fraction form
703,986.96/1,054,230.81 = 644,259.96/x - Step 3: Cross multiply
703,986.96x = 1,054,230.81 × 644,259.96 - Step 4: Simplify right side
703,986.96x = 679,198,699,481.37 - Step 5: Solve for x
x = 679,198,699,481.37/703,986.96 - Step 6: Final answer
x = 964,788.75
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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.