Finding the Fourth Proportional to 669,536.62, 923,735.74 and 379,108.50
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Solution
The fourth proportional to 669,536.62, 923,735.74 and 379,108.50 is: 523,042.45
Step by Step Solution
- Step 1: Write the proportion equation
669,536.62 : 923,735.74 = 379,108.50 : x - Step 2: Convert to fraction form
669,536.62/923,735.74 = 379,108.50/x - Step 3: Cross multiply
669,536.62x = 923,735.74 × 379,108.50 - Step 4: Simplify right side
669,536.62x = 350,196,070,787.79 - Step 5: Solve for x
x = 350,196,070,787.79/669,536.62 - Step 6: Final answer
x = 523,042.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.