Finding the Fourth Proportional to 809,128.98, 1,207,541.00 and 719,450.64
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Solution
The fourth proportional to 809,128.98, 1,207,541.00 and 719,450.64 is: 1,073,705.39
Step by Step Solution
- Step 1: Write the proportion equation
809,128.98 : 1,207,541.00 = 719,450.64 : x - Step 2: Convert to fraction form
809,128.98/1,207,541.00 = 719,450.64/x - Step 3: Cross multiply
809,128.98x = 1,207,541.00 × 719,450.64 - Step 4: Simplify right side
809,128.98x = 868,766,147,074.87 - Step 5: Solve for x
x = 868,766,147,074.87/809,128.98 - Step 6: Final answer
x = 1,073,705.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.