Finding the Fourth Proportional to 868,844.64, 1,198,986.12 and 506,245.92
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Solution
The fourth proportional to 868,844.64, 1,198,986.12 and 506,245.92 is: 698,608.02
Step by Step Solution
- Step 1: Write the proportion equation
868,844.64 : 1,198,986.12 = 506,245.92 : x - Step 2: Convert to fraction form
868,844.64/1,198,986.12 = 506,245.92/x - Step 3: Cross multiply
868,844.64x = 1,198,986.12 × 506,245.92 - Step 4: Simplify right side
868,844.64x = 606,981,831,386.63 - Step 5: Solve for x
x = 606,981,831,386.63/868,844.64 - Step 6: Final answer
x = 698,608.02
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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.