Finding the Fourth Proportional to 985,594.22, 1,478,573.68 and 311,845.13
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Solution
The fourth proportional to 985,594.22, 1,478,573.68 and 311,845.13 is: 467,825.39
Step by Step Solution
- Step 1: Write the proportion equation
985,594.22 : 1,478,573.68 = 311,845.13 : x - Step 2: Convert to fraction form
985,594.22/1,478,573.68 = 311,845.13/x - Step 3: Cross multiply
985,594.22x = 1,478,573.68 × 311,845.13 - Step 4: Simplify right side
985,594.22x = 461,086,001,454.18 - Step 5: Solve for x
x = 461,086,001,454.18/985,594.22 - Step 6: Final answer
x = 467,825.39
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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.