Finding the Fourth Proportional to 971,711.26, 1,340,958.06 and 541,991.06
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Solution
The fourth proportional to 971,711.26, 1,340,958.06 and 541,991.06 is: 747,945.72
Step by Step Solution
- Step 1: Write the proportion equation
971,711.26 : 1,340,958.06 = 541,991.06 : x - Step 2: Convert to fraction form
971,711.26/1,340,958.06 = 541,991.06/x - Step 3: Cross multiply
971,711.26x = 1,340,958.06 × 541,991.06 - Step 4: Simplify right side
971,711.26x = 726,787,280,354.94 - Step 5: Solve for x
x = 726,787,280,354.94/971,711.26 - Step 6: Final answer
x = 747,945.72
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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.