Finding the Fourth Proportional to 880,923.68, 1,215,759.76 and 493,804.62
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Solution
The fourth proportional to 880,923.68, 1,215,759.76 and 493,804.62 is: 681,498.07
Step by Step Solution
- Step 1: Write the proportion equation
880,923.68 : 1,215,759.76 = 493,804.62 : x - Step 2: Convert to fraction form
880,923.68/1,215,759.76 = 493,804.62/x - Step 3: Cross multiply
880,923.68x = 1,215,759.76 × 493,804.62 - Step 4: Simplify right side
880,923.68x = 600,347,786,298.09 - Step 5: Solve for x
x = 600,347,786,298.09/880,923.68 - Step 6: Final answer
x = 681,498.07
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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.