Finding the Fourth Proportional to 843,366.20, 1,264,668.94 and 416,735.68
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Solution
The fourth proportional to 843,366.20, 1,264,668.94 and 416,735.68 is: 624,915.57
Step by Step Solution
- Step 1: Write the proportion equation
843,366.20 : 1,264,668.94 = 416,735.68 : x - Step 2: Convert to fraction form
843,366.20/1,264,668.94 = 416,735.68/x - Step 3: Cross multiply
843,366.20x = 1,264,668.94 × 416,735.68 - Step 4: Simplify right side
843,366.20x = 527,032,670,685.78 - Step 5: Solve for x
x = 527,032,670,685.78/843,366.20 - Step 6: Final answer
x = 624,915.57
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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.