Finding the Fourth Proportional to 961,770.09, 1,442,256.15 and 354,592.92
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Solution
The fourth proportional to 961,770.09, 1,442,256.15 and 354,592.92 is: 531,742.28
Step by Step Solution
- Step 1: Write the proportion equation
961,770.09 : 1,442,256.15 = 354,592.92 : x - Step 2: Convert to fraction form
961,770.09/1,442,256.15 = 354,592.92/x - Step 3: Cross multiply
961,770.09x = 1,442,256.15 × 354,592.92 - Step 4: Simplify right side
961,770.09x = 511,413,819,616.46 - Step 5: Solve for x
x = 511,413,819,616.46/961,770.09 - Step 6: Final answer
x = 531,742.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.