Finding the Fourth Proportional to 873,812.14, 1,311,227.70 and 368,342.17
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Solution
The fourth proportional to 873,812.14, 1,311,227.70 and 368,342.17 is: 552,728.02
Step by Step Solution
- Step 1: Write the proportion equation
873,812.14 : 1,311,227.70 = 368,342.17 : x - Step 2: Convert to fraction form
873,812.14/1,311,227.70 = 368,342.17/x - Step 3: Cross multiply
873,812.14x = 1,311,227.70 × 368,342.17 - Step 4: Simplify right side
873,812.14x = 482,980,456,382.11 - Step 5: Solve for x
x = 482,980,456,382.11/873,812.14 - Step 6: Final answer
x = 552,728.02
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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.