Finding the Fourth Proportional to 698,102.29, 963,324.39 and 392,162.05
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Solution
The fourth proportional to 698,102.29, 963,324.39 and 392,162.05 is: 541,151.74
Step by Step Solution
- Step 1: Write the proportion equation
698,102.29 : 963,324.39 = 392,162.05 : x - Step 2: Convert to fraction form
698,102.29/963,324.39 = 392,162.05/x - Step 3: Cross multiply
698,102.29x = 963,324.39 × 392,162.05 - Step 4: Simplify right side
698,102.29x = 377,779,267,597.40 - Step 5: Solve for x
x = 377,779,267,597.40/698,102.29 - Step 6: Final answer
x = 541,151.74
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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.