Finding the Fourth Proportional to 745,262.87, 1,117,912.62 and 271,948.07
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Solution
The fourth proportional to 745,262.87, 1,117,912.62 and 271,948.07 is: 407,928.78
Step by Step Solution
- Step 1: Write the proportion equation
745,262.87 : 1,117,912.62 = 271,948.07 : x - Step 2: Convert to fraction form
745,262.87/1,117,912.62 = 271,948.07/x - Step 3: Cross multiply
745,262.87x = 1,117,912.62 × 271,948.07 - Step 4: Simplify right side
745,262.87x = 304,014,173,848.08 - Step 5: Solve for x
x = 304,014,173,848.08/745,262.87 - Step 6: Final answer
x = 407,928.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.