Finding the Fourth Proportional to 683,771.63, 1,025,697.58 and 257,311.08
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Solution
The fourth proportional to 683,771.63, 1,025,697.58 and 257,311.08 is: 385,981.73
Step by Step Solution
- Step 1: Write the proportion equation
683,771.63 : 1,025,697.58 = 257,311.08 : x - Step 2: Convert to fraction form
683,771.63/1,025,697.58 = 257,311.08/x - Step 3: Cross multiply
683,771.63x = 1,025,697.58 × 257,311.08 - Step 4: Simplify right side
683,771.63x = 263,923,352,706.46 - Step 5: Solve for x
x = 263,923,352,706.46/683,771.63 - Step 6: Final answer
x = 385,981.73
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1.5x scale
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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.