Finding the Fourth Proportional to 839,251.14, 1,259,974.17 and 498,317.10
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Solution
The fourth proportional to 839,251.14, 1,259,974.17 and 498,317.10 is: 748,127.28
Step by Step Solution
- Step 1: Write the proportion equation
839,251.14 : 1,259,974.17 = 498,317.10 : x - Step 2: Convert to fraction form
839,251.14/1,259,974.17 = 498,317.10/x - Step 3: Cross multiply
839,251.14x = 1,259,974.17 × 498,317.10 - Step 4: Simplify right side
839,251.14x = 627,866,674,469.31 - Step 5: Solve for x
x = 627,866,674,469.31/839,251.14 - Step 6: Final answer
x = 748,127.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.