Finding the Fourth Proportional to 834,343.58, 1,251,551.76 and 408,238.18
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Solution
The fourth proportional to 834,343.58, 1,251,551.76 and 408,238.18 is: 612,375.07
Step by Step Solution
- Step 1: Write the proportion equation
834,343.58 : 1,251,551.76 = 408,238.18 : x - Step 2: Convert to fraction form
834,343.58/1,251,551.76 = 408,238.18/x - Step 3: Cross multiply
834,343.58x = 1,251,551.76 × 408,238.18 - Step 4: Simplify right side
834,343.58x = 510,931,204,379.25 - Step 5: Solve for x
x = 510,931,204,379.25/834,343.58 - Step 6: Final answer
x = 612,375.07
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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.