Finding the Fourth Proportional to 957,199.34, 1,320,917.99 and 521,620.49
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Solution
The fourth proportional to 957,199.34, 1,320,917.99 and 521,620.49 is: 719,826.96
Step by Step Solution
- Step 1: Write the proportion equation
957,199.34 : 1,320,917.99 = 521,620.49 : x - Step 2: Convert to fraction form
957,199.34/1,320,917.99 = 521,620.49/x - Step 3: Cross multiply
957,199.34x = 1,320,917.99 × 521,620.49 - Step 4: Simplify right side
957,199.34x = 689,017,889,887.81 - Step 5: Solve for x
x = 689,017,889,887.81/957,199.34 - Step 6: Final answer
x = 719,826.96
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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.