Finding the Fourth Proportional to 669,354.44, 923,704.97 and 382,879.31
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Solution
The fourth proportional to 669,354.44, 923,704.97 and 382,879.31 is: 528,371.06
Step by Step Solution
- Step 1: Write the proportion equation
669,354.44 : 923,704.97 = 382,879.31 : x - Step 2: Convert to fraction form
669,354.44/923,704.97 = 382,879.31/x - Step 3: Cross multiply
669,354.44x = 923,704.97 × 382,879.31 - Step 4: Simplify right side
669,354.44x = 353,667,515,024.25 - Step 5: Solve for x
x = 353,667,515,024.25/669,354.44 - Step 6: Final answer
x = 528,371.06
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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.