Finding the Fourth Proportional to 714,350.37, 985,863.99 and 392,115.04
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Solution
The fourth proportional to 714,350.37, 985,863.99 and 392,115.04 is: 541,151.95
Step by Step Solution
- Step 1: Write the proportion equation
714,350.37 : 985,863.99 = 392,115.04 : x - Step 2: Convert to fraction form
714,350.37/985,863.99 = 392,115.04/x - Step 3: Cross multiply
714,350.37x = 985,863.99 × 392,115.04 - Step 4: Simplify right side
714,350.37x = 386,572,097,873.41 - Step 5: Solve for x
x = 386,572,097,873.41/714,350.37 - Step 6: Final answer
x = 541,151.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.