Finding the Fourth Proportional to 512,512.05, 707,403.41 and 294,744.51
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Solution
The fourth proportional to 512,512.05, 707,403.41 and 294,744.51 is: 406,826.09
Step by Step Solution
- Step 1: Write the proportion equation
512,512.05 : 707,403.41 = 294,744.51 : x - Step 2: Convert to fraction form
512,512.05/707,403.41 = 294,744.51/x - Step 3: Cross multiply
512,512.05x = 707,403.41 × 294,744.51 - Step 4: Simplify right side
512,512.05x = 208,503,271,452.78 - Step 5: Solve for x
x = 208,503,271,452.78/512,512.05 - Step 6: Final answer
x = 406,826.09
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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.