Finding the Fourth Proportional to 762,119.58, 1,051,689.42 and 439,933.49
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Solution
The fourth proportional to 762,119.58, 1,051,689.42 and 439,933.49 is: 607,087.67
Step by Step Solution
- Step 1: Write the proportion equation
762,119.58 : 1,051,689.42 = 439,933.49 : x - Step 2: Convert to fraction form
762,119.58/1,051,689.42 = 439,933.49/x - Step 3: Cross multiply
762,119.58x = 1,051,689.42 × 439,933.49 - Step 4: Simplify right side
762,119.58x = 462,673,396,936.68 - Step 5: Solve for x
x = 462,673,396,936.68/762,119.58 - Step 6: Final answer
x = 607,087.67
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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.