Finding the Fourth Proportional to 815,184.84, 1,222,383.86 and 341,743.08
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Solution
The fourth proportional to 815,184.84, 1,222,383.86 and 341,743.08 is: 512,449.70
Step by Step Solution
- Step 1: Write the proportion equation
815,184.84 : 1,222,383.86 = 341,743.08 : x - Step 2: Convert to fraction form
815,184.84/1,222,383.86 = 341,743.08/x - Step 3: Cross multiply
815,184.84x = 1,222,383.86 × 341,743.08 - Step 4: Simplify right side
815,184.84x = 417,741,225,258.69 - Step 5: Solve for x
x = 417,741,225,258.69/815,184.84 - Step 6: Final answer
x = 512,449.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.