Finding the Fourth Proportional to 817,524.44, 1,226,536.34 and 418,447.96
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Solution
The fourth proportional to 817,524.44, 1,226,536.34 and 418,447.96 is: 627,799.74
Step by Step Solution
- Step 1: Write the proportion equation
817,524.44 : 1,226,536.34 = 418,447.96 : x - Step 2: Convert to fraction form
817,524.44/1,226,536.34 = 418,447.96/x - Step 3: Cross multiply
817,524.44x = 1,226,536.34 × 418,447.96 - Step 4: Simplify right side
817,524.44x = 513,241,629,338.87 - Step 5: Solve for x
x = 513,241,629,338.87/817,524.44 - Step 6: Final answer
x = 627,799.74
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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.