Finding the Fourth Proportional to 880,873.36, 1,215,690.04 and 493,686.88
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Solution
The fourth proportional to 880,873.36, 1,215,690.04 and 493,686.88 is: 681,335.42
Step by Step Solution
- Step 1: Write the proportion equation
880,873.36 : 1,215,690.04 = 493,686.88 : x - Step 2: Convert to fraction form
880,873.36/1,215,690.04 = 493,686.88/x - Step 3: Cross multiply
880,873.36x = 1,215,690.04 × 493,686.88 - Step 4: Simplify right side
880,873.36x = 600,170,222,894.68 - Step 5: Solve for x
x = 600,170,222,894.68/880,873.36 - Step 6: Final answer
x = 681,335.42
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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.