Finding the Fourth Proportional to 922,118.16, 1,272,528.63 and 514,245.81
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Solution
The fourth proportional to 922,118.16, 1,272,528.63 and 514,245.81 is: 709,662.32
Step by Step Solution
- Step 1: Write the proportion equation
922,118.16 : 1,272,528.63 = 514,245.81 : x - Step 2: Convert to fraction form
922,118.16/1,272,528.63 = 514,245.81/x - Step 3: Cross multiply
922,118.16x = 1,272,528.63 × 514,245.81 - Step 4: Simplify right side
922,118.16x = 654,392,516,082.54 - Step 5: Solve for x
x = 654,392,516,082.54/922,118.16 - Step 6: Final answer
x = 709,662.32
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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.