Finding the Fourth Proportional to 741,483.84, 1,023,207.96 and 419,174.72
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Solution
The fourth proportional to 741,483.84, 1,023,207.96 and 419,174.72 is: 578,438.65
Step by Step Solution
- Step 1: Write the proportion equation
741,483.84 : 1,023,207.96 = 419,174.72 : x - Step 2: Convert to fraction form
741,483.84/1,023,207.96 = 419,174.72/x - Step 3: Cross multiply
741,483.84x = 1,023,207.96 × 419,174.72 - Step 4: Simplify right side
741,483.84x = 428,902,910,134.77 - Step 5: Solve for x
x = 428,902,910,134.77/741,483.84 - Step 6: Final answer
x = 578,438.65
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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.