Finding the Fourth Proportional to 682,967.40, 942,496.59 and 377,043.99
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Solution
The fourth proportional to 682,967.40, 942,496.59 and 377,043.99 is: 520,321.58
Step by Step Solution
- Step 1: Write the proportion equation
682,967.40 : 942,496.59 = 377,043.99 : x - Step 2: Convert to fraction form
682,967.40/942,496.59 = 377,043.99/x - Step 3: Cross multiply
682,967.40x = 942,496.59 × 377,043.99 - Step 4: Simplify right side
682,967.40x = 355,362,672,204.01 - Step 5: Solve for x
x = 355,362,672,204.01/682,967.40 - Step 6: Final answer
x = 520,321.58
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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.