Finding the Fourth Proportional to 758,558.08, 1,138,286 and 279,122.54
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Solution
The fourth proportional to 758,558.08, 1,138,286 and 279,122.54 is: 418,848.98
Step by Step Solution
- Step 1: Write the proportion equation
758,558.08 : 1,138,286 = 279,122.54 : x - Step 2: Convert to fraction form
758,558.08/1,138,286 = 279,122.54/x - Step 3: Cross multiply
758,558.08x = 1,138,286 × 279,122.54 - Step 4: Simplify right side
758,558.08x = 317,721,279,566.44 - Step 5: Solve for x
x = 317,721,279,566.44/758,558.08 - Step 6: Final answer
x = 418,848.98
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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.