Finding the Fourth Proportional to 934,320.94, 1,289,362.80 and 504,601.09
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Solution
The fourth proportional to 934,320.94, 1,289,362.80 and 504,601.09 is: 696,349.45
Step by Step Solution
- Step 1: Write the proportion equation
934,320.94 : 1,289,362.80 = 504,601.09 : x - Step 2: Convert to fraction form
934,320.94/1,289,362.80 = 504,601.09/x - Step 3: Cross multiply
934,320.94x = 1,289,362.80 × 504,601.09 - Step 4: Simplify right side
934,320.94x = 650,613,874,285.45 - Step 5: Solve for x
x = 650,613,874,285.45/934,320.94 - Step 6: Final answer
x = 696,349.45
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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.