Finding the Fourth Proportional to 709,130.09, 1,063,891.97 and 393,808.43
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Solution
The fourth proportional to 709,130.09, 1,063,891.97 and 393,808.43 is: 590,821.96
Step by Step Solution
- Step 1: Write the proportion equation
709,130.09 : 1,063,891.97 = 393,808.43 : x - Step 2: Convert to fraction form
709,130.09/1,063,891.97 = 393,808.43/x - Step 3: Cross multiply
709,130.09x = 1,063,891.97 × 393,808.43 - Step 4: Simplify right side
709,130.09x = 418,969,628,562.78 - Step 5: Solve for x
x = 418,969,628,562.78/709,130.09 - Step 6: Final answer
x = 590,821.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.