Finding the Fourth Proportional to 855,583.57, 1,284,636.96 and 477,243.51
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Solution
The fourth proportional to 855,583.57, 1,284,636.96 and 477,243.51 is: 716,568.99
Step by Step Solution
- Step 1: Write the proportion equation
855,583.57 : 1,284,636.96 = 477,243.51 : x - Step 2: Convert to fraction form
855,583.57/1,284,636.96 = 477,243.51/x - Step 3: Cross multiply
855,583.57x = 1,284,636.96 × 477,243.51 - Step 4: Simplify right side
855,583.57x = 613,084,651,866.13 - Step 5: Solve for x
x = 613,084,651,866.13/855,583.57 - Step 6: Final answer
x = 716,568.99
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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.