Finding the Fourth Proportional to 609,523.44, 910,578.36 and 394,539.84
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Solution
The fourth proportional to 609,523.44, 910,578.36 and 394,539.84 is: 589,410.38
Step by Step Solution
- Step 1: Write the proportion equation
609,523.44 : 910,578.36 = 394,539.84 : x - Step 2: Convert to fraction form
609,523.44/910,578.36 = 394,539.84/x - Step 3: Cross multiply
609,523.44x = 910,578.36 × 394,539.84 - Step 4: Simplify right side
609,523.44x = 359,259,440,461.86 - Step 5: Solve for x
x = 359,259,440,461.86/609,523.44 - Step 6: Final answer
x = 589,410.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.