Finding the Fourth Proportional to 947,101.05, 1,306,982.97 and 517,370.13
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Solution
The fourth proportional to 947,101.05, 1,306,982.97 and 517,370.13 is: 713,961.78
Step by Step Solution
- Step 1: Write the proportion equation
947,101.05 : 1,306,982.97 = 517,370.13 : x - Step 2: Convert to fraction form
947,101.05/1,306,982.97 = 517,370.13/x - Step 3: Cross multiply
947,101.05x = 1,306,982.97 × 517,370.13 - Step 4: Simplify right side
947,101.05x = 676,193,949,096.69 - Step 5: Solve for x
x = 676,193,949,096.69/947,101.05 - Step 6: Final answer
x = 713,961.78
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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.