Finding the Fourth Proportional to 879,607.44, 1,213,860.62 and 477,199.44
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Solution
The fourth proportional to 879,607.44, 1,213,860.62 and 477,199.44 is: 658,536.50
Step by Step Solution
- Step 1: Write the proportion equation
879,607.44 : 1,213,860.62 = 477,199.44 : x - Step 2: Convert to fraction form
879,607.44/1,213,860.62 = 477,199.44/x - Step 3: Cross multiply
879,607.44x = 1,213,860.62 × 477,199.44 - Step 4: Simplify right side
879,607.44x = 579,253,608,102.05 - Step 5: Solve for x
x = 579,253,608,102.05/879,607.44 - Step 6: Final answer
x = 658,536.50
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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.