Finding the Fourth Proportional to 791,468.90, 1,092,230.94 and 428,892.68
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Solution
The fourth proportional to 791,468.90, 1,092,230.94 and 428,892.68 is: 591,873.99
Step by Step Solution
- Step 1: Write the proportion equation
791,468.90 : 1,092,230.94 = 428,892.68 : x - Step 2: Convert to fraction form
791,468.90/1,092,230.94 = 428,892.68/x - Step 3: Cross multiply
791,468.90x = 1,092,230.94 × 428,892.68 - Step 4: Simplify right side
791,468.90x = 468,449,855,035.52 - Step 5: Solve for x
x = 468,449,855,035.52/791,468.90 - Step 6: Final answer
x = 591,873.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.