Finding the Fourth Proportional to 762,377.87, 1,052,095.50 and 418,231.37
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Solution
The fourth proportional to 762,377.87, 1,052,095.50 and 418,231.37 is: 577,166.99
Step by Step Solution
- Step 1: Write the proportion equation
762,377.87 : 1,052,095.50 = 418,231.37 : x - Step 2: Convert to fraction form
762,377.87/1,052,095.50 = 418,231.37/x - Step 3: Cross multiply
762,377.87x = 1,052,095.50 × 418,231.37 - Step 4: Simplify right side
762,377.87x = 440,019,340,244.68 - Step 5: Solve for x
x = 440,019,340,244.68/762,377.87 - Step 6: Final answer
x = 577,166.99
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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.