Finding the Fourth Proportional to 469,687.68, 703,645.74 and 363,989.97
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Solution
The fourth proportional to 469,687.68, 703,645.74 and 363,989.97 is: 545,298.51
Step by Step Solution
- Step 1: Write the proportion equation
469,687.68 : 703,645.74 = 363,989.97 : x - Step 2: Convert to fraction form
469,687.68/703,645.74 = 363,989.97/x - Step 3: Cross multiply
469,687.68x = 703,645.74 × 363,989.97 - Step 4: Simplify right side
469,687.68x = 256,119,991,793.23 - Step 5: Solve for x
x = 256,119,991,793.23/469,687.68 - Step 6: Final answer
x = 545,298.51
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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.