Finding the Fourth Proportional to 438,639.68, 657,915.24 and 297,391.88
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Solution
The fourth proportional to 438,639.68, 657,915.24 and 297,391.88 is: 446,057.80
Step by Step Solution
- Step 1: Write the proportion equation
438,639.68 : 657,915.24 = 297,391.88 : x - Step 2: Convert to fraction form
438,639.68/657,915.24 = 297,391.88/x - Step 3: Cross multiply
438,639.68x = 657,915.24 × 297,391.88 - Step 4: Simplify right side
438,639.68x = 195,658,650,104.25 - Step 5: Solve for x
x = 195,658,650,104.25/438,639.68 - Step 6: Final answer
x = 446,057.80
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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.