Finding the Fourth Proportional to 999,097.75, 1,378,787.70 and 546,388.75
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Solution
The fourth proportional to 999,097.75, 1,378,787.70 and 546,388.75 is: 754,034.42
Step by Step Solution
- Step 1: Write the proportion equation
999,097.75 : 1,378,787.70 = 546,388.75 : x - Step 2: Convert to fraction form
999,097.75/1,378,787.70 = 546,388.75/x - Step 3: Cross multiply
999,097.75x = 1,378,787.70 × 546,388.75 - Step 4: Simplify right side
999,097.75x = 753,354,087,918.38 - Step 5: Solve for x
x = 753,354,087,918.38/999,097.75 - Step 6: Final answer
x = 754,034.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.