Finding the Fourth Proportional to 986,362.74, 1,479,428.28 and 276,447.96
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Solution
The fourth proportional to 986,362.74, 1,479,428.28 and 276,447.96 is: 414,639.48
Step by Step Solution
- Step 1: Write the proportion equation
986,362.74 : 1,479,428.28 = 276,447.96 : x - Step 2: Convert to fraction form
986,362.74/1,479,428.28 = 276,447.96/x - Step 3: Cross multiply
986,362.74x = 1,479,428.28 × 276,447.96 - Step 4: Simplify right side
986,362.74x = 408,984,929,972.31 - Step 5: Solve for x
x = 408,984,929,972.31/986,362.74 - Step 6: Final answer
x = 414,639.48
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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.