Finding the Fourth Proportional to 769,465.92, 1,154,211.84 and 348,745.44
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Solution
The fourth proportional to 769,465.92, 1,154,211.84 and 348,745.44 is: 523,124.03
Step by Step Solution
- Step 1: Write the proportion equation
769,465.92 : 1,154,211.84 = 348,745.44 : x - Step 2: Convert to fraction form
769,465.92/1,154,211.84 = 348,745.44/x - Step 3: Cross multiply
769,465.92x = 1,154,211.84 × 348,745.44 - Step 4: Simplify right side
769,465.92x = 402,526,115,994.01 - Step 5: Solve for x
x = 402,526,115,994.01/769,465.92 - Step 6: Final answer
x = 523,124.03
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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.