Finding the Fourth Proportional to 562,074.09, 775,680.78 and 307,425.26
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Solution
The fourth proportional to 562,074.09, 775,680.78 and 307,425.26 is: 424,256.99
Step by Step Solution
- Step 1: Write the proportion equation
562,074.09 : 775,680.78 = 307,425.26 : x - Step 2: Convert to fraction form
562,074.09/775,680.78 = 307,425.26/x - Step 3: Cross multiply
562,074.09x = 775,680.78 × 307,425.26 - Step 4: Simplify right side
562,074.09x = 238,463,861,590.10 - Step 5: Solve for x
x = 238,463,861,590.10/562,074.09 - Step 6: Final answer
x = 424,256.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.