Finding the Fourth Proportional to 660,754.89, 911,812.54 and 374,269.23
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Solution
The fourth proportional to 660,754.89, 911,812.54 and 374,269.23 is: 516,474.99
Step by Step Solution
- Step 1: Write the proportion equation
660,754.89 : 911,812.54 = 374,269.23 : x - Step 2: Convert to fraction form
660,754.89/911,812.54 = 374,269.23/x - Step 3: Cross multiply
660,754.89x = 911,812.54 × 374,269.23 - Step 4: Simplify right side
660,754.89x = 341,263,377,250.14 - Step 5: Solve for x
x = 341,263,377,250.14/660,754.89 - Step 6: Final answer
x = 516,474.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.