Finding the Fourth Proportional to 852,985.97, 1,177,121.33 and 547,061.41
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Solution
The fourth proportional to 852,985.97, 1,177,121.33 and 547,061.41 is: 754,945.19
Step by Step Solution
- Step 1: Write the proportion equation
852,985.97 : 1,177,121.33 = 547,061.41 : x - Step 2: Convert to fraction form
852,985.97/1,177,121.33 = 547,061.41/x - Step 3: Cross multiply
852,985.97x = 1,177,121.33 × 547,061.41 - Step 4: Simplify right side
852,985.97x = 643,957,654,530.88 - Step 5: Solve for x
x = 643,957,654,530.88/852,985.97 - Step 6: Final answer
x = 754,945.19
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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.