Finding the Fourth Proportional to 658,596.96, 908,862.48 and 356,791.68
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Solution
The fourth proportional to 658,596.96, 908,862.48 and 356,791.68 is: 492,371.80
Step by Step Solution
- Step 1: Write the proportion equation
658,596.96 : 908,862.48 = 356,791.68 : x - Step 2: Convert to fraction form
658,596.96/908,862.48 = 356,791.68/x - Step 3: Cross multiply
658,596.96x = 908,862.48 × 356,791.68 - Step 4: Simplify right side
658,596.96x = 324,274,571,128.17 - Step 5: Solve for x
x = 324,274,571,128.17/658,596.96 - Step 6: Final answer
x = 492,371.80
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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.