Finding the Fourth Proportional to 624,163.32, 862,227.18 and 496,675.80
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Solution
The fourth proportional to 624,163.32, 862,227.18 and 496,675.80 is: 686,114.29
Step by Step Solution
- Step 1: Write the proportion equation
624,163.32 : 862,227.18 = 496,675.80 : x - Step 2: Convert to fraction form
624,163.32/862,227.18 = 496,675.80/x - Step 3: Cross multiply
624,163.32x = 862,227.18 × 496,675.80 - Step 4: Simplify right side
624,163.32x = 428,247,374,408.24 - Step 5: Solve for x
x = 428,247,374,408.24/624,163.32 - Step 6: Final answer
x = 686,114.29
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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.