Finding the Fourth Proportional to 703,619.11, 1,055,429.61 and 494,191.99
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Solution
The fourth proportional to 703,619.11, 1,055,429.61 and 494,191.99 is: 741,288.65
Step by Step Solution
- Step 1: Write the proportion equation
703,619.11 : 1,055,429.61 = 494,191.99 : x - Step 2: Convert to fraction form
703,619.11/1,055,429.61 = 494,191.99/x - Step 3: Cross multiply
703,619.11x = 1,055,429.61 × 494,191.99 - Step 4: Simplify right side
703,619.11x = 521,584,859,270.82 - Step 5: Solve for x
x = 521,584,859,270.82/703,619.11 - Step 6: Final answer
x = 741,288.65
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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.