Finding the Fourth Proportional to 971,713.28, 1,340,960.82 and 541,993.08
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Solution
The fourth proportional to 971,713.28, 1,340,960.82 and 541,993.08 is: 747,948.49
Step by Step Solution
- Step 1: Write the proportion equation
971,713.28 : 1,340,960.82 = 541,993.08 : x - Step 2: Convert to fraction form
971,713.28/1,340,960.82 = 541,993.08/x - Step 3: Cross multiply
971,713.28x = 1,340,960.82 × 541,993.08 - Step 4: Simplify right side
971,713.28x = 726,791,484,991.13 - Step 5: Solve for x
x = 726,791,484,991.13/971,713.28 - Step 6: Final answer
x = 747,948.49
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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.