Finding the Fourth Proportional to 724,837.74, 1,086,825.88 and 275,591.49
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Solution
The fourth proportional to 724,837.74, 1,086,825.88 and 275,591.49 is: 413,223.47
Step by Step Solution
- Step 1: Write the proportion equation
724,837.74 : 1,086,825.88 = 275,591.49 : x - Step 2: Convert to fraction form
724,837.74/1,086,825.88 = 275,591.49/x - Step 3: Cross multiply
724,837.74x = 1,086,825.88 × 275,591.49 - Step 4: Simplify right side
724,837.74x = 299,519,963,639.76 - Step 5: Solve for x
x = 299,519,963,639.76/724,837.74 - Step 6: Final answer
x = 413,223.47
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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.