Finding the Fourth Proportional to 683,930.52, 943,794.72 and 377,991.09
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Solution
The fourth proportional to 683,930.52, 943,794.72 and 377,991.09 is: 521,611.46
Step by Step Solution
- Step 1: Write the proportion equation
683,930.52 : 943,794.72 = 377,991.09 : x - Step 2: Convert to fraction form
683,930.52/943,794.72 = 377,991.09/x - Step 3: Cross multiply
683,930.52x = 943,794.72 × 377,991.09 - Step 4: Simplify right side
683,930.52x = 356,745,994,949.05 - Step 5: Solve for x
x = 356,745,994,949.05/683,930.52 - Step 6: Final answer
x = 521,611.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.