Finding the Fourth Proportional to 863,720.54, 1,286,716.35 and 824,859.10
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Solution
The fourth proportional to 863,720.54, 1,286,716.35 and 824,859.10 is: 1,228,823.02
Step by Step Solution
- Step 1: Write the proportion equation
863,720.54 : 1,286,716.35 = 824,859.10 : x - Step 2: Convert to fraction form
863,720.54/1,286,716.35 = 824,859.10/x - Step 3: Cross multiply
863,720.54x = 1,286,716.35 × 824,859.10 - Step 4: Simplify right side
863,720.54x = 1,061,359,686,291.99 - Step 5: Solve for x
x = 1,061,359,686,291.99/863,720.54 - Step 6: Final answer
x = 1,228,823.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.