Finding the Fourth Proportional to 665,340.75, 918,170.24 and 363,534.75
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Solution
The fourth proportional to 665,340.75, 918,170.24 and 363,534.75 is: 501,677.96
Step by Step Solution
- Step 1: Write the proportion equation
665,340.75 : 918,170.24 = 363,534.75 : x - Step 2: Convert to fraction form
665,340.75/918,170.24 = 363,534.75/x - Step 3: Cross multiply
665,340.75x = 918,170.24 × 363,534.75 - Step 4: Simplify right side
665,340.75x = 333,786,786,838.17 - Step 5: Solve for x
x = 333,786,786,838.17/665,340.75 - Step 6: Final answer
x = 501,677.96
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Double scale
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Similar ratio
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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.