Finding the Fourth Proportional to 665,149.40, 996,629.70 and 384,176.60
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Solution
The fourth proportional to 665,149.40, 996,629.70 and 384,176.60 is: 575,632.80
Step by Step Solution
- Step 1: Write the proportion equation
665,149.40 : 996,629.70 = 384,176.60 : x - Step 2: Convert to fraction form
665,149.40/996,629.70 = 384,176.60/x - Step 3: Cross multiply
665,149.40x = 996,629.70 × 384,176.60 - Step 4: Simplify right side
665,149.40x = 382,881,809,605.02 - Step 5: Solve for x
x = 382,881,809,605.02/665,149.40 - Step 6: Final answer
x = 575,632.80
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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.