Finding the Fourth Proportional to 756,251.13, 1,043,652.95 and 412,115.43
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Solution
The fourth proportional to 756,251.13, 1,043,652.95 and 412,115.43 is: 568,733.67
Step by Step Solution
- Step 1: Write the proportion equation
756,251.13 : 1,043,652.95 = 412,115.43 : x - Step 2: Convert to fraction form
756,251.13/1,043,652.95 = 412,115.43/x - Step 3: Cross multiply
756,251.13x = 1,043,652.95 × 412,115.43 - Step 4: Simplify right side
756,251.13x = 430,105,482,199.44 - Step 5: Solve for x
x = 430,105,482,199.44/756,251.13 - Step 6: Final answer
x = 568,733.67
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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.