Finding the Fourth Proportional to 852,437.39, 1,278,867.49 and 253,397.43
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Solution
The fourth proportional to 852,437.39, 1,278,867.49 and 253,397.43 is: 380,158.99
Step by Step Solution
- Step 1: Write the proportion equation
852,437.39 : 1,278,867.49 = 253,397.43 : x - Step 2: Convert to fraction form
852,437.39/1,278,867.49 = 253,397.43/x - Step 3: Cross multiply
852,437.39x = 1,278,867.49 × 253,397.43 - Step 4: Simplify right side
852,437.39x = 324,061,734,643.06 - Step 5: Solve for x
x = 324,061,734,643.06/852,437.39 - Step 6: Final answer
x = 380,158.99
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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.