Finding the Fourth Proportional to 1,010,280.96, 1,515,705.75 and 441,711.99
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Solution
The fourth proportional to 1,010,280.96, 1,515,705.75 and 441,711.99 is: 662,692.29
Step by Step Solution
- Step 1: Write the proportion equation
1,010,280.96 : 1,515,705.75 = 441,711.99 : x - Step 2: Convert to fraction form
1,010,280.96/1,515,705.75 = 441,711.99/x - Step 3: Cross multiply
1,010,280.96x = 1,515,705.75 × 441,711.99 - Step 4: Simplify right side
1,010,280.96x = 669,505,403,086.94 - Step 5: Solve for x
x = 669,505,403,086.94/1,010,280.96 - Step 6: Final answer
x = 662,692.29
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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.