Finding the Fourth Proportional to 683,936.69, 943,881.49 and 378,006.48
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Solution
The fourth proportional to 683,936.69, 943,881.49 and 378,006.48 is: 521,675.95
Step by Step Solution
- Step 1: Write the proportion equation
683,936.69 : 943,881.49 = 378,006.48 : x - Step 2: Convert to fraction form
683,936.69/943,881.49 = 378,006.48/x - Step 3: Cross multiply
683,936.69x = 943,881.49 × 378,006.48 - Step 4: Simplify right side
683,936.69x = 356,793,318,627.04 - Step 5: Solve for x
x = 356,793,318,627.04/683,936.69 - Step 6: Final answer
x = 521,675.95
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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.