Finding the Fourth Proportional to 864,877.42, 1,192,297.64 and 670,942.97
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Solution
The fourth proportional to 864,877.42, 1,192,297.64 and 670,942.97 is: 924,944.62
Step by Step Solution
- Step 1: Write the proportion equation
864,877.42 : 1,192,297.64 = 670,942.97 : x - Step 2: Convert to fraction form
864,877.42/1,192,297.64 = 670,942.97/x - Step 3: Cross multiply
864,877.42x = 1,192,297.64 × 670,942.97 - Step 4: Simplify right side
864,877.42x = 799,963,719,705.59 - Step 5: Solve for x
x = 799,963,719,705.59/864,877.42 - Step 6: Final answer
x = 924,944.62
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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.