Finding the Fourth Proportional to 919,043.68, 1,268,344.56 and 537,112.48
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Solution
The fourth proportional to 919,043.68, 1,268,344.56 and 537,112.48 is: 741,252.79
Step by Step Solution
- Step 1: Write the proportion equation
919,043.68 : 1,268,344.56 = 537,112.48 : x - Step 2: Convert to fraction form
919,043.68/1,268,344.56 = 537,112.48/x - Step 3: Cross multiply
919,043.68x = 1,268,344.56 × 537,112.48 - Step 4: Simplify right side
919,043.68x = 681,243,692,116.11 - Step 5: Solve for x
x = 681,243,692,116.11/919,043.68 - Step 6: Final answer
x = 741,252.79
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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.