Finding the Fourth Proportional to 1,008,115.35, 1,512,440.33 and 439,252.35
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Solution
The fourth proportional to 1,008,115.35, 1,512,440.33 and 439,252.35 is: 658,994.99
Step by Step Solution
- Step 1: Write the proportion equation
1,008,115.35 : 1,512,440.33 = 439,252.35 : x - Step 2: Convert to fraction form
1,008,115.35/1,512,440.33 = 439,252.35/x - Step 3: Cross multiply
1,008,115.35x = 1,512,440.33 × 439,252.35 - Step 4: Simplify right side
1,008,115.35x = 664,342,966,991.01 - Step 5: Solve for x
x = 664,342,966,991.01/1,008,115.35 - Step 6: Final answer
x = 658,994.99
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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.