Finding the Fourth Proportional to 682,868.87, 942,381.35 and 372,787.99
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Solution
The fourth proportional to 682,868.87, 942,381.35 and 372,787.99 is: 514,459.60
Step by Step Solution
- Step 1: Write the proportion equation
682,868.87 : 942,381.35 = 372,787.99 : x - Step 2: Convert to fraction form
682,868.87/942,381.35 = 372,787.99/x - Step 3: Cross multiply
682,868.87x = 942,381.35 × 372,787.99 - Step 4: Simplify right side
682,868.87x = 351,308,449,991.98 - Step 5: Solve for x
x = 351,308,449,991.98/682,868.87 - Step 6: Final answer
x = 514,459.60
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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.