Finding the Fourth Proportional to 930,945.66, 1,396,527.84 and 331,991.97
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Solution
The fourth proportional to 930,945.66, 1,396,527.84 and 331,991.97 is: 498,026.95
Step by Step Solution
- Step 1: Write the proportion equation
930,945.66 : 1,396,527.84 = 331,991.97 : x - Step 2: Convert to fraction form
930,945.66/1,396,527.84 = 331,991.97/x - Step 3: Cross multiply
930,945.66x = 1,396,527.84 × 331,991.97 - Step 4: Simplify right side
930,945.66x = 463,636,028,761.45 - Step 5: Solve for x
x = 463,636,028,761.45/930,945.66 - Step 6: Final answer
x = 498,026.95
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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.