Finding the Fourth Proportional to 815,297.28, 1,222,387.68 and 415,163.52
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Solution
The fourth proportional to 815,297.28, 1,222,387.68 and 415,163.52 is: 622,461.01
Step by Step Solution
- Step 1: Write the proportion equation
815,297.28 : 1,222,387.68 = 415,163.52 : x - Step 2: Convert to fraction form
815,297.28/1,222,387.68 = 415,163.52/x - Step 3: Cross multiply
815,297.28x = 1,222,387.68 × 415,163.52 - Step 4: Simplify right side
815,297.28x = 507,490,772,033.43 - Step 5: Solve for x
x = 507,490,772,033.43/815,297.28 - Step 6: Final answer
x = 622,461.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.