Finding the Fourth Proportional to 683,516.49, 943,249.74 and 377,593.02
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Solution
The fourth proportional to 683,516.49, 943,249.74 and 377,593.02 is: 521,076.70
Step by Step Solution
- Step 1: Write the proportion equation
683,516.49 : 943,249.74 = 377,593.02 : x - Step 2: Convert to fraction form
683,516.49/943,249.74 = 377,593.02/x - Step 3: Cross multiply
683,516.49x = 943,249.74 × 377,593.02 - Step 4: Simplify right side
683,516.49x = 356,164,517,940.82 - Step 5: Solve for x
x = 356,164,517,940.82/683,516.49 - Step 6: Final answer
x = 521,076.70
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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.