Finding the Fourth Proportional to 995,176.80, 1,373,346.36 and 565,599.60
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Solution
The fourth proportional to 995,176.80, 1,373,346.36 and 565,599.60 is: 780,528.80
Step by Step Solution
- Step 1: Write the proportion equation
995,176.80 : 1,373,346.36 = 565,599.60 : x - Step 2: Convert to fraction form
995,176.80/1,373,346.36 = 565,599.60/x - Step 3: Cross multiply
995,176.80x = 1,373,346.36 × 565,599.60 - Step 4: Simplify right side
995,176.80x = 776,764,151,877.46 - Step 5: Solve for x
x = 776,764,151,877.46/995,176.80 - Step 6: Final answer
x = 780,528.80
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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.