Finding the Fourth Proportional to 865,107.60, 1,297,272.60 and 332,451.60
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Solution
The fourth proportional to 865,107.60, 1,297,272.60 and 332,451.60 is: 498,527.99
Step by Step Solution
- Step 1: Write the proportion equation
865,107.60 : 1,297,272.60 = 332,451.60 : x - Step 2: Convert to fraction form
865,107.60/1,297,272.60 = 332,451.60/x - Step 3: Cross multiply
865,107.60x = 1,297,272.60 × 332,451.60 - Step 4: Simplify right side
865,107.60x = 431,280,351,506.16 - Step 5: Solve for x
x = 431,280,351,506.16/865,107.60 - Step 6: Final answer
x = 498,527.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.