Finding the Fourth Proportional to 840,410.91, 1,260,446.27 and 307,750.05
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Solution
The fourth proportional to 840,410.91, 1,260,446.27 and 307,750.05 is: 461,562.79
Step by Step Solution
- Step 1: Write the proportion equation
840,410.91 : 1,260,446.27 = 307,750.05 : x - Step 2: Convert to fraction form
840,410.91/1,260,446.27 = 307,750.05/x - Step 3: Cross multiply
840,410.91x = 1,260,446.27 × 307,750.05 - Step 4: Simplify right side
840,410.91x = 387,902,401,076.06 - Step 5: Solve for x
x = 387,902,401,076.06/840,410.91 - Step 6: Final answer
x = 461,562.79
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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.