Finding the Fourth Proportional to 548,296.80, 821,278.80 and 454,984.80
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Solution
The fourth proportional to 548,296.80, 821,278.80 and 454,984.80 is: 681,509.30
Step by Step Solution
- Step 1: Write the proportion equation
548,296.80 : 821,278.80 = 454,984.80 : x - Step 2: Convert to fraction form
548,296.80/821,278.80 = 454,984.80/x - Step 3: Cross multiply
548,296.80x = 821,278.80 × 454,984.80 - Step 4: Simplify right side
548,296.80x = 373,669,370,562.24 - Step 5: Solve for x
x = 373,669,370,562.24/548,296.80 - Step 6: Final answer
x = 681,509.30
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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.