Finding the Fourth Proportional to 885,383.68, 1,327,286.50 and 324,286.96
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Solution
The fourth proportional to 885,383.68, 1,327,286.50 and 324,286.96 is: 486,141.45
Step by Step Solution
- Step 1: Write the proportion equation
885,383.68 : 1,327,286.50 = 324,286.96 : x - Step 2: Convert to fraction form
885,383.68/1,327,286.50 = 324,286.96/x - Step 3: Cross multiply
885,383.68x = 1,327,286.50 × 324,286.96 - Step 4: Simplify right side
885,383.68x = 430,421,704,134.04 - Step 5: Solve for x
x = 430,421,704,134.04/885,383.68 - Step 6: Final answer
x = 486,141.45
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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.