Finding the Fourth Proportional to 748,101.24, 1,122,298.20 and 274,790.16
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Solution
The fourth proportional to 748,101.24, 1,122,298.20 and 274,790.16 is: 412,238.99
Step by Step Solution
- Step 1: Write the proportion equation
748,101.24 : 1,122,298.20 = 274,790.16 : x - Step 2: Convert to fraction form
748,101.24/1,122,298.20 = 274,790.16/x - Step 3: Cross multiply
748,101.24x = 1,122,298.20 × 274,790.16 - Step 4: Simplify right side
748,101.24x = 308,396,501,945.71 - Step 5: Solve for x
x = 308,396,501,945.71/748,101.24 - Step 6: Final answer
x = 412,238.99
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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.