Finding the Fourth Proportional to 669,455.20, 923,845.17 and 363,529.09
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Solution
The fourth proportional to 669,455.20, 923,845.17 and 363,529.09 is: 501,668.51
Step by Step Solution
- Step 1: Write the proportion equation
669,455.20 : 923,845.17 = 363,529.09 : x - Step 2: Convert to fraction form
669,455.20/923,845.17 = 363,529.09/x - Step 3: Cross multiply
669,455.20x = 923,845.17 × 363,529.09 - Step 4: Simplify right side
669,455.20x = 335,844,593,951.00 - Step 5: Solve for x
x = 335,844,593,951.00/669,455.20 - Step 6: Final answer
x = 501,668.51
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1.5x scale
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.