Finding the Fourth Proportional to 676,639.46, 1,014,975.66 and 227,366.84
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Solution
The fourth proportional to 676,639.46, 1,014,975.66 and 227,366.84 is: 341,055.79
Step by Step Solution
- Step 1: Write the proportion equation
676,639.46 : 1,014,975.66 = 227,366.84 : x - Step 2: Convert to fraction form
676,639.46/1,014,975.66 = 227,366.84/x - Step 3: Cross multiply
676,639.46x = 1,014,975.66 × 227,366.84 - Step 4: Simplify right side
676,639.46x = 230,771,808,491.11 - Step 5: Solve for x
x = 230,771,808,491.11/676,639.46 - Step 6: Final answer
x = 341,055.79
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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.