Finding the Fourth Proportional to 669,537.62, 923,737.12 and 379,109.50
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Solution
The fourth proportional to 669,537.62, 923,737.12 and 379,109.50 is: 523,043.82
Step by Step Solution
- Step 1: Write the proportion equation
669,537.62 : 923,737.12 = 379,109.50 : x - Step 2: Convert to fraction form
669,537.62/923,737.12 = 379,109.50/x - Step 3: Cross multiply
669,537.62x = 923,737.12 × 379,109.50 - Step 4: Simplify right side
669,537.62x = 350,197,517,694.64 - Step 5: Solve for x
x = 350,197,517,694.64/669,537.62 - Step 6: Final answer
x = 523,043.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.