Finding the Fourth Proportional to 632,519.82, 872,860.62 and 374,410.08
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Solution
The fourth proportional to 632,519.82, 872,860.62 and 374,410.08 is: 516,676.01
Step by Step Solution
- Step 1: Write the proportion equation
632,519.82 : 872,860.62 = 374,410.08 : x - Step 2: Convert to fraction form
632,519.82/872,860.62 = 374,410.08/x - Step 3: Cross multiply
632,519.82x = 872,860.62 × 374,410.08 - Step 4: Simplify right side
632,519.82x = 326,807,814,563.05 - Step 5: Solve for x
x = 326,807,814,563.05/632,519.82 - Step 6: Final answer
x = 516,676.01
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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.