Finding the Fourth Proportional to 757,995.14, 1,136,612.36 and 252,378.02
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Solution
The fourth proportional to 757,995.14, 1,136,612.36 and 252,378.02 is: 378,440.39
Step by Step Solution
- Step 1: Write the proportion equation
757,995.14 : 1,136,612.36 = 252,378.02 : x - Step 2: Convert to fraction form
757,995.14/1,136,612.36 = 252,378.02/x - Step 3: Cross multiply
757,995.14x = 1,136,612.36 × 252,378.02 - Step 4: Simplify right side
757,995.14x = 286,855,976,924.33 - Step 5: Solve for x
x = 286,855,976,924.33/757,995.14 - Step 6: Final answer
x = 378,440.39
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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.