Finding the Fourth Proportional to 614,508.26, 847,540.67 and 399,716.91
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Solution
The fourth proportional to 614,508.26, 847,540.67 and 399,716.91 is: 551,296.64
Step by Step Solution
- Step 1: Write the proportion equation
614,508.26 : 847,540.67 = 399,716.91 : x - Step 2: Convert to fraction form
614,508.26/847,540.67 = 399,716.91/x - Step 3: Cross multiply
614,508.26x = 847,540.67 × 399,716.91 - Step 4: Simplify right side
614,508.26x = 338,776,335,713.15 - Step 5: Solve for x
x = 338,776,335,713.15/614,508.26 - Step 6: Final answer
x = 551,296.64
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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.