Finding the Fourth Proportional to 775,258.22, 1,164,636.92 and 459,922.70
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Solution
The fourth proportional to 775,258.22, 1,164,636.92 and 459,922.70 is: 690,921.99
Step by Step Solution
- Step 1: Write the proportion equation
775,258.22 : 1,164,636.92 = 459,922.70 : x - Step 2: Convert to fraction form
775,258.22/1,164,636.92 = 459,922.70/x - Step 3: Cross multiply
775,258.22x = 1,164,636.92 × 459,922.70 - Step 4: Simplify right side
775,258.22x = 535,642,952,092.71 - Step 5: Solve for x
x = 535,642,952,092.71/775,258.22 - Step 6: Final answer
x = 690,921.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.