Finding the Fourth Proportional to 879,514.68, 1,319,326.74 and 318,554.04
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Solution
The fourth proportional to 879,514.68, 1,319,326.74 and 318,554.04 is: 477,850.88
Step by Step Solution
- Step 1: Write the proportion equation
879,514.68 : 1,319,326.74 = 318,554.04 : x - Step 2: Convert to fraction form
879,514.68/1,319,326.74 = 318,554.04/x - Step 3: Cross multiply
879,514.68x = 1,319,326.74 × 318,554.04 - Step 4: Simplify right side
879,514.68x = 420,276,863,107.03 - Step 5: Solve for x
x = 420,276,863,107.03/879,514.68 - Step 6: Final answer
x = 477,850.88
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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.