Finding the Fourth Proportional to 849,404.36, 1,172,178.20 and 467,431.14
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Solution
The fourth proportional to 849,404.36, 1,172,178.20 and 467,431.14 is: 645,055.07
Step by Step Solution
- Step 1: Write the proportion equation
849,404.36 : 1,172,178.20 = 467,431.14 : x - Step 2: Convert to fraction form
849,404.36/1,172,178.20 = 467,431.14/x - Step 3: Cross multiply
849,404.36x = 1,172,178.20 × 467,431.14 - Step 4: Simplify right side
849,404.36x = 547,912,586,448.26 - Step 5: Solve for x
x = 547,912,586,448.26/849,404.36 - Step 6: Final answer
x = 645,055.07
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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.