Finding the Fourth Proportional to 971,715.28, 1,340,963.58 and 541,995.08
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Solution
The fourth proportional to 971,715.28, 1,340,963.58 and 541,995.08 is: 747,951.25
Step by Step Solution
- Step 1: Write the proportion equation
971,715.28 : 1,340,963.58 = 541,995.08 : x - Step 2: Convert to fraction form
971,715.28/1,340,963.58 = 541,995.08/x - Step 3: Cross multiply
971,715.28x = 1,340,963.58 × 541,995.08 - Step 4: Simplify right side
971,715.28x = 726,795,662,819.19 - Step 5: Solve for x
x = 726,795,662,819.19/971,715.28 - Step 6: Final answer
x = 747,951.25
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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.