Finding the Fourth Proportional to 946,664.48, 1,419,471.84 and 315,233.84
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Solution
The fourth proportional to 946,664.48, 1,419,471.84 and 315,233.84 is: 472,675.98
Step by Step Solution
- Step 1: Write the proportion equation
946,664.48 : 1,419,471.84 = 315,233.84 : x - Step 2: Convert to fraction form
946,664.48/1,419,471.84 = 315,233.84/x - Step 3: Cross multiply
946,664.48x = 1,419,471.84 × 315,233.84 - Step 4: Simplify right side
946,664.48x = 447,465,558,895.07 - Step 5: Solve for x
x = 447,465,558,895.07/946,664.48 - Step 6: Final answer
x = 472,675.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.