Finding the Fourth Proportional to 995,612.80, 1,493,246.40 and 364,201.60
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Solution
The fourth proportional to 995,612.80, 1,493,246.40 and 364,201.60 is: 546,239.19
Step by Step Solution
- Step 1: Write the proportion equation
995,612.80 : 1,493,246.40 = 364,201.60 : x - Step 2: Convert to fraction form
995,612.80/1,493,246.40 = 364,201.60/x - Step 3: Cross multiply
995,612.80x = 1,493,246.40 × 364,201.60 - Step 4: Simplify right side
995,612.80x = 543,842,728,074.24 - Step 5: Solve for x
x = 543,842,728,074.24/995,612.80 - Step 6: Final answer
x = 546,239.19
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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.