Finding the Fourth Proportional to 534,775.40, 802,163.10 and 366,813.80
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Solution
The fourth proportional to 534,775.40, 802,163.10 and 366,813.80 is: 550,220.70
Step by Step Solution
- Step 1: Write the proportion equation
534,775.40 : 802,163.10 = 366,813.80 : x - Step 2: Convert to fraction form
534,775.40/802,163.10 = 366,813.80/x - Step 3: Cross multiply
534,775.40x = 802,163.10 × 366,813.80 - Step 4: Simplify right side
534,775.40x = 294,244,494,930.78 - Step 5: Solve for x
x = 294,244,494,930.78/534,775.40 - Step 6: Final answer
x = 550,220.70
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Double scale
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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.