Finding the Fourth Proportional to 847,026.26, 1,168,920.60 and 479,474.99
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Solution
The fourth proportional to 847,026.26, 1,168,920.60 and 479,474.99 is: 661,689.28
Step by Step Solution
- Step 1: Write the proportion equation
847,026.26 : 1,168,920.60 = 479,474.99 : x - Step 2: Convert to fraction form
847,026.26/1,168,920.60 = 479,474.99/x - Step 3: Cross multiply
847,026.26x = 1,168,920.60 × 479,474.99 - Step 4: Simplify right side
847,026.26x = 560,468,192,433.66 - Step 5: Solve for x
x = 560,468,192,433.66/847,026.26 - Step 6: Final answer
x = 661,689.28
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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.