Finding the Fourth Proportional to 852,760.92, 1,176,675.99 and 490,114.76
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Solution
The fourth proportional to 852,760.92, 1,176,675.99 and 490,114.76 is: 676,281.30
Step by Step Solution
- Step 1: Write the proportion equation
852,760.92 : 1,176,675.99 = 490,114.76 : x - Step 2: Convert to fraction form
852,760.92/1,176,675.99 = 490,114.76/x - Step 3: Cross multiply
852,760.92x = 1,176,675.99 × 490,114.76 - Step 4: Simplify right side
852,760.92x = 576,706,264,553.23 - Step 5: Solve for x
x = 576,706,264,553.23/852,760.92 - Step 6: Final answer
x = 676,281.30
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1.5x scale
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.