Finding the Fourth Proportional to 791,474.68, 1,092,230.79 and 428,889.22
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Solution
The fourth proportional to 791,474.68, 1,092,230.79 and 428,889.22 is: 591,864.81
Step by Step Solution
- Step 1: Write the proportion equation
791,474.68 : 1,092,230.79 = 428,889.22 : x - Step 2: Convert to fraction form
791,474.68/1,092,230.79 = 428,889.22/x - Step 3: Cross multiply
791,474.68x = 1,092,230.79 × 428,889.22 - Step 4: Simplify right side
791,474.68x = 468,446,011,583.08 - Step 5: Solve for x
x = 468,446,011,583.08/791,474.68 - Step 6: Final answer
x = 591,864.81
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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.