Finding the Fourth Proportional to 757,486.84, 1,136,228.92 and 441,722.32
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Solution
The fourth proportional to 757,486.84, 1,136,228.92 and 441,722.32 is: 662,582.70
Step by Step Solution
- Step 1: Write the proportion equation
757,486.84 : 1,136,228.92 = 441,722.32 : x - Step 2: Convert to fraction form
757,486.84/1,136,228.92 = 441,722.32/x - Step 3: Cross multiply
757,486.84x = 1,136,228.92 × 441,722.32 - Step 4: Simplify right side
757,486.84x = 501,897,674,593.49 - Step 5: Solve for x
x = 501,897,674,593.49/757,486.84 - Step 6: Final answer
x = 662,582.70
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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.