Finding the Fourth Proportional to 1,107,716.36, 1,661,587.86 and 308,949.26
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Solution
The fourth proportional to 1,107,716.36, 1,661,587.86 and 308,949.26 is: 463,427.61
Step by Step Solution
- Step 1: Write the proportion equation
1,107,716.36 : 1,661,587.86 = 308,949.26 : x - Step 2: Convert to fraction form
1,107,716.36/1,661,587.86 = 308,949.26/x - Step 3: Cross multiply
1,107,716.36x = 1,661,587.86 × 308,949.26 - Step 4: Simplify right side
1,107,716.36x = 513,346,339,771.98 - Step 5: Solve for x
x = 513,346,339,771.98/1,107,716.36 - Step 6: Final answer
x = 463,427.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.