Finding the Fourth Proportional to 786,800.80, 1,180,201.20 and 254,703.70
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Solution
The fourth proportional to 786,800.80, 1,180,201.20 and 254,703.70 is: 382,055.55
Step by Step Solution
- Step 1: Write the proportion equation
786,800.80 : 1,180,201.20 = 254,703.70 : x - Step 2: Convert to fraction form
786,800.80/1,180,201.20 = 254,703.70/x - Step 3: Cross multiply
786,800.80x = 1,180,201.20 × 254,703.70 - Step 4: Simplify right side
786,800.80x = 300,601,612,384.44 - Step 5: Solve for x
x = 300,601,612,384.44/786,800.80 - Step 6: Final answer
x = 382,055.55
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Similar ratio
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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.