Finding the Fourth Proportional to 674,232.53, 1,011,341.86 and 389,742.06
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Solution
The fourth proportional to 674,232.53, 1,011,341.86 and 389,742.06 is: 584,609.09
Step by Step Solution
- Step 1: Write the proportion equation
674,232.53 : 1,011,341.86 = 389,742.06 : x - Step 2: Convert to fraction form
674,232.53/1,011,341.86 = 389,742.06/x - Step 3: Cross multiply
674,232.53x = 1,011,341.86 × 389,742.06 - Step 4: Simplify right side
674,232.53x = 394,162,464,891.11 - Step 5: Solve for x
x = 394,162,464,891.11/674,232.53 - Step 6: Final answer
x = 584,609.09
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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.