Finding the Fourth Proportional to 673,989.09, 1,011,125.69 and 218,544.84
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Solution
The fourth proportional to 673,989.09, 1,011,125.69 and 218,544.84 is: 327,863.32
Step by Step Solution
- Step 1: Write the proportion equation
673,989.09 : 1,011,125.69 = 218,544.84 : x - Step 2: Convert to fraction form
673,989.09/1,011,125.69 = 218,544.84/x - Step 3: Cross multiply
673,989.09x = 1,011,125.69 × 218,544.84 - Step 4: Simplify right side
673,989.09x = 220,976,301,048.22 - Step 5: Solve for x
x = 220,976,301,048.22/673,989.09 - Step 6: Final answer
x = 327,863.32
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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.