Finding the Fourth Proportional to 760,737.36, 1,049,850.36 and 421,205.64
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Solution
The fourth proportional to 760,737.36, 1,049,850.36 and 421,205.64 is: 581,281.95
Step by Step Solution
- Step 1: Write the proportion equation
760,737.36 : 1,049,850.36 = 421,205.64 : x - Step 2: Convert to fraction form
760,737.36/1,049,850.36 = 421,205.64/x - Step 3: Cross multiply
760,737.36x = 1,049,850.36 × 421,205.64 - Step 4: Simplify right side
760,737.36x = 442,202,892,788.03 - Step 5: Solve for x
x = 442,202,892,788.03/760,737.36 - Step 6: Final answer
x = 581,281.95
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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.