Finding the Fourth Proportional to 817,035.30, 1,127,540.79 and 494,562.96
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Solution
The fourth proportional to 817,035.30, 1,127,540.79 and 494,562.96 is: 682,516.30
Step by Step Solution
- Step 1: Write the proportion equation
817,035.30 : 1,127,540.79 = 494,562.96 : x - Step 2: Convert to fraction form
817,035.30/1,127,540.79 = 494,562.96/x - Step 3: Cross multiply
817,035.30x = 1,127,540.79 × 494,562.96 - Step 4: Simplify right side
817,035.30x = 557,639,910,623.14 - Step 5: Solve for x
x = 557,639,910,623.14/817,035.30 - Step 6: Final answer
x = 682,516.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.