Finding the Fourth Proportional to 879,149.68, 1,318,923.42 and 280,144.96
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Solution
The fourth proportional to 879,149.68, 1,318,923.42 and 280,144.96 is: 420,280.82
Step by Step Solution
- Step 1: Write the proportion equation
879,149.68 : 1,318,923.42 = 280,144.96 : x - Step 2: Convert to fraction form
879,149.68/1,318,923.42 = 280,144.96/x - Step 3: Cross multiply
879,149.68x = 1,318,923.42 × 280,144.96 - Step 4: Simplify right side
879,149.68x = 369,489,748,738.96 - Step 5: Solve for x
x = 369,489,748,738.96/879,149.68 - Step 6: Final answer
x = 420,280.82
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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.