Finding the Fourth Proportional to 843,383.10, 1,163,881.80 and 461,416.26
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Solution
The fourth proportional to 843,383.10, 1,163,881.80 and 461,416.26 is: 636,761.62
Step by Step Solution
- Step 1: Write the proportion equation
843,383.10 : 1,163,881.80 = 461,416.26 : x - Step 2: Convert to fraction form
843,383.10/1,163,881.80 = 461,416.26/x - Step 3: Cross multiply
843,383.10x = 1,163,881.80 × 461,416.26 - Step 4: Simplify right side
843,383.10x = 537,033,987,238.07 - Step 5: Solve for x
x = 537,033,987,238.07/843,383.10 - Step 6: Final answer
x = 636,761.62
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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.