Finding the Fourth Proportional to 980,589.13, 1,470,968.21 and 270,617.17
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Solution
The fourth proportional to 980,589.13, 1,470,968.21 and 270,617.17 is: 405,949.08
Step by Step Solution
- Step 1: Write the proportion equation
980,589.13 : 1,470,968.21 = 270,617.17 : x - Step 2: Convert to fraction form
980,589.13/1,470,968.21 = 270,617.17/x - Step 3: Cross multiply
980,589.13x = 1,470,968.21 × 270,617.17 - Step 4: Simplify right side
980,589.13x = 398,069,251,149.29 - Step 5: Solve for x
x = 398,069,251,149.29/980,589.13 - Step 6: Final answer
x = 405,949.08
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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.