Finding the Fourth Proportional to 825,230.88, 1,237,938.84 and 740,469.92
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Solution
The fourth proportional to 825,230.88, 1,237,938.84 and 740,469.92 is: 1,110,787.90
Step by Step Solution
- Step 1: Write the proportion equation
825,230.88 : 1,237,938.84 = 740,469.92 : x - Step 2: Convert to fraction form
825,230.88/1,237,938.84 = 740,469.92/x - Step 3: Cross multiply
825,230.88x = 1,237,938.84 × 740,469.92 - Step 4: Simplify right side
825,230.88x = 916,656,473,819.69 - Step 5: Solve for x
x = 916,656,473,819.69/825,230.88 - Step 6: Final answer
x = 1,110,787.90
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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.