Finding the Fourth Proportional to 781,273.23, 1,078,525.61 and 587,754.80
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Solution
The fourth proportional to 781,273.23, 1,078,525.61 and 587,754.80 is: 811,378.88
Step by Step Solution
- Step 1: Write the proportion equation
781,273.23 : 1,078,525.61 = 587,754.80 : x - Step 2: Convert to fraction form
781,273.23/1,078,525.61 = 587,754.80/x - Step 3: Cross multiply
781,273.23x = 1,078,525.61 × 587,754.80 - Step 4: Simplify right side
781,273.23x = 633,908,595,869.03 - Step 5: Solve for x
x = 633,908,595,869.03/781,273.23 - Step 6: Final answer
x = 811,378.88
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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.