Finding the Fourth Proportional to 843,394.10, 1,163,896.98 and 461,427.26
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Solution
The fourth proportional to 843,394.10, 1,163,896.98 and 461,427.26 is: 636,776.80
Step by Step Solution
- Step 1: Write the proportion equation
843,394.10 : 1,163,896.98 = 461,427.26 : x - Step 2: Convert to fraction form
843,394.10/1,163,896.98 = 461,427.26/x - Step 3: Cross multiply
843,394.10x = 1,163,896.98 × 461,427.26 - Step 4: Simplify right side
843,394.10x = 537,053,794,403.68 - Step 5: Solve for x
x = 537,053,794,403.68/843,394.10 - Step 6: Final answer
x = 636,776.80
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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.