Finding the Fourth Proportional to 748,590.99, 1,122,765.99 and 208,861.26
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Solution
The fourth proportional to 748,590.99, 1,122,765.99 and 208,861.26 is: 313,258.27
Step by Step Solution
- Step 1: Write the proportion equation
748,590.99 : 1,122,765.99 = 208,861.26 : x - Step 2: Convert to fraction form
748,590.99/1,122,765.99 = 208,861.26/x - Step 3: Cross multiply
748,590.99x = 1,122,765.99 × 208,861.26 - Step 4: Simplify right side
748,590.99x = 234,502,319,356.55 - Step 5: Solve for x
x = 234,502,319,356.55/748,590.99 - Step 6: Final answer
x = 313,258.27
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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.