Finding the Fourth Proportional to 644,821.77, 965,749.64 and 374,279.88
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Solution
The fourth proportional to 644,821.77, 965,749.64 and 374,279.88 is: 560,559.02
Step by Step Solution
- Step 1: Write the proportion equation
644,821.77 : 965,749.64 = 374,279.88 : x - Step 2: Convert to fraction form
644,821.77/965,749.64 = 374,279.88/x - Step 3: Cross multiply
644,821.77x = 965,749.64 × 374,279.88 - Step 4: Simplify right side
644,821.77x = 361,460,659,369.24 - Step 5: Solve for x
x = 361,460,659,369.24/644,821.77 - Step 6: Final answer
x = 560,559.02
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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.