Finding the Fourth Proportional to 957,197.98, 1,320,916.10 and 521,619.11
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Solution
The fourth proportional to 957,197.98, 1,320,916.10 and 521,619.11 is: 719,825.04
Step by Step Solution
- Step 1: Write the proportion equation
957,197.98 : 1,320,916.10 = 521,619.11 : x - Step 2: Convert to fraction form
957,197.98/1,320,916.10 = 521,619.11/x - Step 3: Cross multiply
957,197.98x = 1,320,916.10 × 521,619.11 - Step 4: Simplify right side
957,197.98x = 689,015,073,862.09 - Step 5: Solve for x
x = 689,015,073,862.09/957,197.98 - Step 6: Final answer
x = 719,825.04
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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.