Finding the Fourth Proportional to 781,163.28, 1,077,954.24 and 436,939.44
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Solution
The fourth proportional to 781,163.28, 1,077,954.24 and 436,939.44 is: 602,947.85
Step by Step Solution
- Step 1: Write the proportion equation
781,163.28 : 1,077,954.24 = 436,939.44 : x - Step 2: Convert to fraction form
781,163.28/1,077,954.24 = 436,939.44/x - Step 3: Cross multiply
781,163.28x = 1,077,954.24 × 436,939.44 - Step 4: Simplify right side
781,163.28x = 471,000,721,971.23 - Step 5: Solve for x
x = 471,000,721,971.23/781,163.28 - Step 6: Final answer
x = 602,947.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.