Finding the Fourth Proportional to 878,527.63, 1,317,532.93 and 398,477.71
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Solution
The fourth proportional to 878,527.63, 1,317,532.93 and 398,477.71 is: 597,599.31
Step by Step Solution
- Step 1: Write the proportion equation
878,527.63 : 1,317,532.93 = 398,477.71 : x - Step 2: Convert to fraction form
878,527.63/1,317,532.93 = 398,477.71/x - Step 3: Cross multiply
878,527.63x = 1,317,532.93 × 398,477.71 - Step 4: Simplify right side
878,527.63x = 525,007,504,795.99 - Step 5: Solve for x
x = 525,007,504,795.99/878,527.63 - Step 6: Final answer
x = 597,599.31
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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.