Finding the Fourth Proportional to 705,689.40, 1,060,633.74 and 331,974.84
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Solution
The fourth proportional to 705,689.40, 1,060,633.74 and 331,974.84 is: 498,949.99
Step by Step Solution
- Step 1: Write the proportion equation
705,689.40 : 1,060,633.74 = 331,974.84 : x - Step 2: Convert to fraction form
705,689.40/1,060,633.74 = 331,974.84/x - Step 3: Cross multiply
705,689.40x = 1,060,633.74 × 331,974.84 - Step 4: Simplify right side
705,689.40x = 352,103,716,135.10 - Step 5: Solve for x
x = 352,103,716,135.10/705,689.40 - Step 6: Final answer
x = 498,949.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.