Finding the Fourth Proportional to 936,949.32, 1,292,989.97 and 523,486.19
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Solution
The fourth proportional to 936,949.32, 1,292,989.97 and 523,486.19 is: 722,410.90
Step by Step Solution
- Step 1: Write the proportion equation
936,949.32 : 1,292,989.97 = 523,486.19 : x - Step 2: Convert to fraction form
936,949.32/1,292,989.97 = 523,486.19/x - Step 3: Cross multiply
936,949.32x = 1,292,989.97 × 523,486.19 - Step 4: Simplify right side
936,949.32x = 676,862,397,644.71 - Step 5: Solve for x
x = 676,862,397,644.71/936,949.32 - Step 6: Final answer
x = 722,410.90
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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.