Finding the Fourth Proportional to 763,804.67, 1,145,921.49 and 224,073.69
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Solution
The fourth proportional to 763,804.67, 1,145,921.49 and 224,073.69 is: 336,173.45
Step by Step Solution
- Step 1: Write the proportion equation
763,804.67 : 1,145,921.49 = 224,073.69 : x - Step 2: Convert to fraction form
763,804.67/1,145,921.49 = 224,073.69/x - Step 3: Cross multiply
763,804.67x = 1,145,921.49 × 224,073.69 - Step 4: Simplify right side
763,804.67x = 256,770,849,864.62 - Step 5: Solve for x
x = 256,770,849,864.62/763,804.67 - Step 6: Final answer
x = 336,173.45
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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.