Finding the Fourth Proportional to 683,474.87, 943,177.03 and 377,544.68
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Solution
The fourth proportional to 683,474.87, 943,177.03 and 377,544.68 is: 521,001.55
Step by Step Solution
- Step 1: Write the proportion equation
683,474.87 : 943,177.03 = 377,544.68 : x - Step 2: Convert to fraction form
683,474.87/943,177.03 = 377,544.68/x - Step 3: Cross multiply
683,474.87x = 943,177.03 × 377,544.68 - Step 4: Simplify right side
683,474.87x = 356,091,469,974.70 - Step 5: Solve for x
x = 356,091,469,974.70/683,474.87 - Step 6: Final answer
x = 521,001.55
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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.