Finding the Fourth Proportional to 726,905.75, 1,090,534.80 and 228,269.75
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Solution
The fourth proportional to 726,905.75, 1,090,534.80 and 228,269.75 is: 342,459.95
Step by Step Solution
- Step 1: Write the proportion equation
726,905.75 : 1,090,534.80 = 228,269.75 : x - Step 2: Convert to fraction form
726,905.75/1,090,534.80 = 228,269.75/x - Step 3: Cross multiply
726,905.75x = 1,090,534.80 × 228,269.75 - Step 4: Simplify right side
726,905.75x = 248,936,106,162.30 - Step 5: Solve for x
x = 248,936,106,162.30/726,905.75 - Step 6: Final answer
x = 342,459.95
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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.