Finding the Fourth Proportional to 488,860.08, 673,364.97 and 345,370.98
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Solution
The fourth proportional to 488,860.08, 673,364.97 and 345,370.98 is: 475,720.41
Step by Step Solution
- Step 1: Write the proportion equation
488,860.08 : 673,364.97 = 345,370.98 : x - Step 2: Convert to fraction form
488,860.08/673,364.97 = 345,370.98/x - Step 3: Cross multiply
488,860.08x = 673,364.97 × 345,370.98 - Step 4: Simplify right side
488,860.08x = 232,560,719,586.57 - Step 5: Solve for x
x = 232,560,719,586.57/488,860.08 - Step 6: Final answer
x = 475,720.41
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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.