Finding the Fourth Proportional to 726,893.92, 1,090,384.62 and 228,257.92
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Solution
The fourth proportional to 726,893.92, 1,090,384.62 and 228,257.92 is: 342,400.62
Step by Step Solution
- Step 1: Write the proportion equation
726,893.92 : 1,090,384.62 = 228,257.92 : x - Step 2: Convert to fraction form
726,893.92/1,090,384.62 = 228,257.92/x - Step 3: Cross multiply
726,893.92x = 1,090,384.62 × 228,257.92 - Step 4: Simplify right side
726,893.92x = 248,888,925,361.19 - Step 5: Solve for x
x = 248,888,925,361.19/726,893.92 - Step 6: Final answer
x = 342,400.62
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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.