Finding the Fourth Proportional to 554,276.62, 764,391.63 and 363,220.62
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Solution
The fourth proportional to 554,276.62, 764,391.63 and 363,220.62 is: 500,910.18
Step by Step Solution
- Step 1: Write the proportion equation
554,276.62 : 764,391.63 = 363,220.62 : x - Step 2: Convert to fraction form
554,276.62/764,391.63 = 363,220.62/x - Step 3: Cross multiply
554,276.62x = 764,391.63 × 363,220.62 - Step 4: Simplify right side
554,276.62x = 277,642,801,771.41 - Step 5: Solve for x
x = 277,642,801,771.41/554,276.62 - Step 6: Final answer
x = 500,910.18
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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.