Finding the Fourth Proportional to 665,630.84, 918,571.02 and 363,824.84
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Solution
The fourth proportional to 665,630.84, 918,571.02 and 363,824.84 is: 502,078.53
Step by Step Solution
- Step 1: Write the proportion equation
665,630.84 : 918,571.02 = 363,824.84 : x - Step 2: Convert to fraction form
665,630.84/918,571.02 = 363,824.84/x - Step 3: Cross multiply
665,630.84x = 918,571.02 × 363,824.84 - Step 4: Simplify right side
665,630.84x = 334,198,954,380.14 - Step 5: Solve for x
x = 334,198,954,380.14/665,630.84 - Step 6: Final answer
x = 502,078.53
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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.