Finding the Fourth Proportional to 910,440.40, 1,366,207.35 and 377,905.90
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Solution
The fourth proportional to 910,440.40, 1,366,207.35 and 377,905.90 is: 567,085.80
Step by Step Solution
- Step 1: Write the proportion equation
910,440.40 : 1,366,207.35 = 377,905.90 : x - Step 2: Convert to fraction form
910,440.40/1,366,207.35 = 377,905.90/x - Step 3: Cross multiply
910,440.40x = 1,366,207.35 × 377,905.90 - Step 4: Simplify right side
910,440.40x = 516,297,818,188.37 - Step 5: Solve for x
x = 516,297,818,188.37/910,440.40 - Step 6: Final answer
x = 567,085.80
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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.