Finding the Fourth Proportional to 879,207.35, 1,318,796.72 and 280,160.42
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Solution
The fourth proportional to 879,207.35, 1,318,796.72 and 280,160.42 is: 420,236.07
Step by Step Solution
- Step 1: Write the proportion equation
879,207.35 : 1,318,796.72 = 280,160.42 : x - Step 2: Convert to fraction form
879,207.35/1,318,796.72 = 280,160.42/x - Step 3: Cross multiply
879,207.35x = 1,318,796.72 × 280,160.42 - Step 4: Simplify right side
879,207.35x = 369,474,641,569.02 - Step 5: Solve for x
x = 369,474,641,569.02/879,207.35 - Step 6: Final answer
x = 420,236.07
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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.