Finding the Fourth Proportional to 749,428.62, 1,034,236.20 and 409,896.84
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Solution
The fourth proportional to 749,428.62, 1,034,236.20 and 409,896.84 is: 565,671.15
Step by Step Solution
- Step 1: Write the proportion equation
749,428.62 : 1,034,236.20 = 409,896.84 : x - Step 2: Convert to fraction form
749,428.62/1,034,236.20 = 409,896.84/x - Step 3: Cross multiply
749,428.62x = 1,034,236.20 × 409,896.84 - Step 4: Simplify right side
749,428.62x = 423,930,150,193.61 - Step 5: Solve for x
x = 423,930,150,193.61/749,428.62 - Step 6: Final answer
x = 565,671.15
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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.