Finding the Fourth Proportional to 831,716.66, 1,147,767.63 and 469,139.42
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Solution
The fourth proportional to 831,716.66, 1,147,767.63 and 469,139.42 is: 647,411.63
Step by Step Solution
- Step 1: Write the proportion equation
831,716.66 : 1,147,767.63 = 469,139.42 : x - Step 2: Convert to fraction form
831,716.66/1,147,767.63 = 469,139.42/x - Step 3: Cross multiply
831,716.66x = 1,147,767.63 × 469,139.42 - Step 4: Simplify right side
831,716.66x = 538,463,040,232.98 - Step 5: Solve for x
x = 538,463,040,232.98/831,716.66 - Step 6: Final answer
x = 647,411.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.