Finding the Fourth Proportional to 665,674.26, 918,630.46 and 363,868.26
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Solution
The fourth proportional to 665,674.26, 918,630.46 and 363,868.26 is: 502,138.19
Step by Step Solution
- Step 1: Write the proportion equation
665,674.26 : 918,630.46 = 363,868.26 : x - Step 2: Convert to fraction form
665,674.26/918,630.46 = 363,868.26/x - Step 3: Cross multiply
665,674.26x = 918,630.46 × 363,868.26 - Step 4: Simplify right side
665,674.26x = 334,260,467,063.20 - Step 5: Solve for x
x = 334,260,467,063.20/665,674.26 - Step 6: Final answer
x = 502,138.19
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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.