Finding the Fourth Proportional to 779,583.42, 1,169,841.60 and 336,351.42
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Solution
The fourth proportional to 779,583.42, 1,169,841.60 and 336,351.42 is: 504,728.39
Step by Step Solution
- Step 1: Write the proportion equation
779,583.42 : 1,169,841.60 = 336,351.42 : x - Step 2: Convert to fraction form
779,583.42/1,169,841.60 = 336,351.42/x - Step 3: Cross multiply
779,583.42x = 1,169,841.60 × 336,351.42 - Step 4: Simplify right side
779,583.42x = 393,477,883,335.07 - Step 5: Solve for x
x = 393,477,883,335.07/779,583.42 - Step 6: Final answer
x = 504,728.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.