Finding the Fourth Proportional to 497,716.48, 686,828.96 and 293,833.09
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Solution
The fourth proportional to 497,716.48, 686,828.96 and 293,833.09 is: 405,477.98
Step by Step Solution
- Step 1: Write the proportion equation
497,716.48 : 686,828.96 = 293,833.09 : x - Step 2: Convert to fraction form
497,716.48/686,828.96 = 293,833.09/x - Step 3: Cross multiply
497,716.48x = 686,828.96 × 293,833.09 - Step 4: Simplify right side
497,716.48x = 201,813,071,832.92 - Step 5: Solve for x
x = 201,813,071,832.92/497,716.48 - Step 6: Final answer
x = 405,477.98
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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.