Finding the Fourth Proportional to 658,129.37, 908,166.74 and 363,766.68
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Solution
The fourth proportional to 658,129.37, 908,166.74 and 363,766.68 is: 501,969.39
Step by Step Solution
- Step 1: Write the proportion equation
658,129.37 : 908,166.74 = 363,766.68 : x - Step 2: Convert to fraction form
658,129.37/908,166.74 = 363,766.68/x - Step 3: Cross multiply
658,129.37x = 908,166.74 × 363,766.68 - Step 4: Simplify right side
658,129.37x = 330,360,800,805.64 - Step 5: Solve for x
x = 330,360,800,805.64/658,129.37 - Step 6: Final answer
x = 501,969.39
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1.5x scale
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.