Finding the Fourth Proportional to 941,857.09, 1,412,785.91 and 277,009.09
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Solution
The fourth proportional to 941,857.09, 1,412,785.91 and 277,009.09 is: 415,513.72
Step by Step Solution
- Step 1: Write the proportion equation
941,857.09 : 1,412,785.91 = 277,009.09 : x - Step 2: Convert to fraction form
941,857.09/1,412,785.91 = 277,009.09/x - Step 3: Cross multiply
941,857.09x = 1,412,785.91 × 277,009.09 - Step 4: Simplify right side
941,857.09x = 391,354,539,293.92 - Step 5: Solve for x
x = 391,354,539,293.92/941,857.09 - Step 6: Final answer
x = 415,513.72
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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.