Finding the Fourth Proportional to 836,614.05, 1,254,043.85 and 409,560.99
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Solution
The fourth proportional to 836,614.05, 1,254,043.85 and 409,560.99 is: 613,912.04
Step by Step Solution
- Step 1: Write the proportion equation
836,614.05 : 1,254,043.85 = 409,560.99 : x - Step 2: Convert to fraction form
836,614.05/1,254,043.85 = 409,560.99/x - Step 3: Cross multiply
836,614.05x = 1,254,043.85 × 409,560.99 - Step 4: Simplify right side
836,614.05x = 513,607,438,661.61 - Step 5: Solve for x
x = 513,607,438,661.61/836,614.05 - Step 6: Final answer
x = 613,912.04
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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.