Finding the Fourth Proportional to 757,419.24, 1,135,845.34 and 325,082.12
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Solution
The fourth proportional to 757,419.24, 1,135,845.34 and 325,082.12 is: 487,501.49
Step by Step Solution
- Step 1: Write the proportion equation
757,419.24 : 1,135,845.34 = 325,082.12 : x - Step 2: Convert to fraction form
757,419.24/1,135,845.34 = 325,082.12/x - Step 3: Cross multiply
757,419.24x = 1,135,845.34 × 325,082.12 - Step 4: Simplify right side
757,419.24x = 369,243,011,119.32 - Step 5: Solve for x
x = 369,243,011,119.32/757,419.24 - Step 6: Final answer
x = 487,501.49
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1.5x scale
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.