Finding the Fourth Proportional to 769,754.69, 1,062,243.11 and 430,254.53
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Solution
The fourth proportional to 769,754.69, 1,062,243.11 and 430,254.53 is: 593,740.98
Step by Step Solution
- Step 1: Write the proportion equation
769,754.69 : 1,062,243.11 = 430,254.53 : x - Step 2: Convert to fraction form
769,754.69/1,062,243.11 = 430,254.53/x - Step 3: Cross multiply
769,754.69x = 1,062,243.11 × 430,254.53 - Step 4: Simplify right side
769,754.69x = 457,034,904,727.57 - Step 5: Solve for x
x = 457,034,904,727.57/769,754.69 - Step 6: Final answer
x = 593,740.98
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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.