Finding the Fourth Proportional to 824,757.99, 1,236,370.11 and 319,648.47
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Solution
The fourth proportional to 824,757.99, 1,236,370.11 and 319,648.47 is: 479,175.49
Step by Step Solution
- Step 1: Write the proportion equation
824,757.99 : 1,236,370.11 = 319,648.47 : x - Step 2: Convert to fraction form
824,757.99/1,236,370.11 = 319,648.47/x - Step 3: Cross multiply
824,757.99x = 1,236,370.11 × 319,648.47 - Step 4: Simplify right side
824,757.99x = 395,203,814,015.23 - Step 5: Solve for x
x = 395,203,814,015.23/824,757.99 - Step 6: Final answer
x = 479,175.49
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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.