Finding the Fourth Proportional to 681,812.44, 1,022,866.28 and 261,088.31
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Solution
The fourth proportional to 681,812.44, 1,022,866.28 and 261,088.31 is: 391,689.00
Step by Step Solution
- Step 1: Write the proportion equation
681,812.44 : 1,022,866.28 = 261,088.31 : x - Step 2: Convert to fraction form
681,812.44/1,022,866.28 = 261,088.31/x - Step 3: Cross multiply
681,812.44x = 1,022,866.28 × 261,088.31 - Step 4: Simplify right side
681,812.44x = 267,058,430,631.99 - Step 5: Solve for x
x = 267,058,430,631.99/681,812.44 - Step 6: Final answer
x = 391,689.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.