Finding the Fourth Proportional to 879,418.26, 1,211,938.59 and 704,790.11
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Solution
The fourth proportional to 879,418.26, 1,211,938.59 and 704,790.11 is: 971,281.09
Step by Step Solution
- Step 1: Write the proportion equation
879,418.26 : 1,211,938.59 = 704,790.11 : x - Step 2: Convert to fraction form
879,418.26/1,211,938.59 = 704,790.11/x - Step 3: Cross multiply
879,418.26x = 1,211,938.59 × 704,790.11 - Step 4: Simplify right side
879,418.26x = 854,162,322,575.70 - Step 5: Solve for x
x = 854,162,322,575.70/879,418.26 - Step 6: Final answer
x = 971,281.09
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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.