Finding the Fourth Proportional to 670,219.09, 1,006,044.87 and 271,120.75
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Solution
The fourth proportional to 670,219.09, 1,006,044.87 and 271,120.75 is: 406,970.86
Step by Step Solution
- Step 1: Write the proportion equation
670,219.09 : 1,006,044.87 = 271,120.75 : x - Step 2: Convert to fraction form
670,219.09/1,006,044.87 = 271,120.75/x - Step 3: Cross multiply
670,219.09x = 1,006,044.87 × 271,120.75 - Step 4: Simplify right side
670,219.09x = 272,759,639,688.05 - Step 5: Solve for x
x = 272,759,639,688.05/670,219.09 - Step 6: Final answer
x = 406,970.86
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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.