Finding the Fourth Proportional to 852,219.54, 1,278,330.76 and 682,520.55
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Solution
The fourth proportional to 852,219.54, 1,278,330.76 and 682,520.55 is: 1,023,781.99
Step by Step Solution
- Step 1: Write the proportion equation
852,219.54 : 1,278,330.76 = 682,520.55 : x - Step 2: Convert to fraction form
852,219.54/1,278,330.76 = 682,520.55/x - Step 3: Cross multiply
852,219.54x = 1,278,330.76 × 682,520.55 - Step 4: Simplify right side
852,219.54x = 872,487,013,397.12 - Step 5: Solve for x
x = 872,487,013,397.12/852,219.54 - Step 6: Final answer
x = 1,023,781.99
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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.