Finding the Fourth Proportional to 858,079.08, 1,286,323.92 and 318,034.62
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Solution
The fourth proportional to 858,079.08, 1,286,323.92 and 318,034.62 is: 476,757.39
Step by Step Solution
- Step 1: Write the proportion equation
858,079.08 : 1,286,323.92 = 318,034.62 : x - Step 2: Convert to fraction form
858,079.08/1,286,323.92 = 318,034.62/x - Step 3: Cross multiply
858,079.08x = 1,286,323.92 × 318,034.62 - Step 4: Simplify right side
858,079.08x = 409,095,539,094.11 - Step 5: Solve for x
x = 409,095,539,094.11/858,079.08 - Step 6: Final answer
x = 476,757.39
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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.