Finding the Fourth Proportional to 997,021.20, 1,494,511.20 and 490,803.60
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Solution
The fourth proportional to 997,021.20, 1,494,511.20 and 490,803.60 is: 735,702.99
Step by Step Solution
- Step 1: Write the proportion equation
997,021.20 : 1,494,511.20 = 490,803.60 : x - Step 2: Convert to fraction form
997,021.20/1,494,511.20 = 490,803.60/x - Step 3: Cross multiply
997,021.20x = 1,494,511.20 × 490,803.60 - Step 4: Simplify right side
997,021.20x = 733,511,477,200.32 - Step 5: Solve for x
x = 733,511,477,200.32/997,021.20 - Step 6: Final answer
x = 735,702.99
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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.