Finding the Fourth Proportional to 607,581.86, 838,469.97 and 335,644.07
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Solution
The fourth proportional to 607,581.86, 838,469.97 and 335,644.07 is: 463,192.68
Step by Step Solution
- Step 1: Write the proportion equation
607,581.86 : 838,469.97 = 335,644.07 : x - Step 2: Convert to fraction form
607,581.86/838,469.97 = 335,644.07/x - Step 3: Cross multiply
607,581.86x = 838,469.97 × 335,644.07 - Step 4: Simplify right side
607,581.86x = 281,427,469,111.23 - Step 5: Solve for x
x = 281,427,469,111.23/607,581.86 - Step 6: Final answer
x = 463,192.68
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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.