Finding the Fourth Proportional to 762,115.43, 1,051,766.57 and 422,583.68
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Solution
The fourth proportional to 762,115.43, 1,051,766.57 and 422,583.68 is: 583,191.70
Step by Step Solution
- Step 1: Write the proportion equation
762,115.43 : 1,051,766.57 = 422,583.68 : x - Step 2: Convert to fraction form
762,115.43/1,051,766.57 = 422,583.68/x - Step 3: Cross multiply
762,115.43x = 1,051,766.57 × 422,583.68 - Step 4: Simplify right side
762,115.43x = 444,459,391,337.45 - Step 5: Solve for x
x = 444,459,391,337.45/762,115.43 - Step 6: Final answer
x = 583,191.70
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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.