Finding the Fourth Proportional to 863,325.81, 1,192,141.80 and 541,588.95
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Solution
The fourth proportional to 863,325.81, 1,192,141.80 and 541,588.95 is: 747,864.62
Step by Step Solution
- Step 1: Write the proportion equation
863,325.81 : 1,192,141.80 = 541,588.95 : x - Step 2: Convert to fraction form
863,325.81/1,192,141.80 = 541,588.95/x - Step 3: Cross multiply
863,325.81x = 1,192,141.80 × 541,588.95 - Step 4: Simplify right side
863,325.81x = 645,650,825,713.11 - Step 5: Solve for x
x = 645,650,825,713.11/863,325.81 - Step 6: Final answer
x = 747,864.62
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1.5x scale
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.