Finding the Fourth Proportional to 880,775.57, 1,215,396.09 and 488,319.03
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Solution
The fourth proportional to 880,775.57, 1,215,396.09 and 488,319.03 is: 673,839.12
Step by Step Solution
- Step 1: Write the proportion equation
880,775.57 : 1,215,396.09 = 488,319.03 : x - Step 2: Convert to fraction form
880,775.57/1,215,396.09 = 488,319.03/x - Step 3: Cross multiply
880,775.57x = 1,215,396.09 × 488,319.03 - Step 4: Simplify right side
880,775.57x = 593,501,039,734.59 - Step 5: Solve for x
x = 593,501,039,734.59/880,775.57 - Step 6: Final answer
x = 673,839.12
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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.