Finding the Fourth Proportional to 812,669.36, 1,218,768.66 and 244,027.49
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Solution
The fourth proportional to 812,669.36, 1,218,768.66 and 244,027.49 is: 365,970.55
Step by Step Solution
- Step 1: Write the proportion equation
812,669.36 : 1,218,768.66 = 244,027.49 : x - Step 2: Convert to fraction form
812,669.36/1,218,768.66 = 244,027.49/x - Step 3: Cross multiply
812,669.36x = 1,218,768.66 × 244,027.49 - Step 4: Simplify right side
812,669.36x = 297,413,050,896.62 - Step 5: Solve for x
x = 297,413,050,896.62/812,669.36 - Step 6: Final answer
x = 365,970.55
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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.