Finding the Fourth Proportional to 701,918.82, 968,647.95 and 379,628.96
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Solution
The fourth proportional to 701,918.82, 968,647.95 and 379,628.96 is: 523,887.95
Step by Step Solution
- Step 1: Write the proportion equation
701,918.82 : 968,647.95 = 379,628.96 : x - Step 2: Convert to fraction form
701,918.82/968,647.95 = 379,628.96/x - Step 3: Cross multiply
701,918.82x = 968,647.95 × 379,628.96 - Step 4: Simplify right side
701,918.82x = 367,726,809,021.39 - Step 5: Solve for x
x = 367,726,809,021.39/701,918.82 - Step 6: Final answer
x = 523,887.95
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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.