Finding the Fourth Proportional to 642,808.29, 887,082.64 and 367,202.63
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Solution
The fourth proportional to 642,808.29, 887,082.64 and 367,202.63 is: 506,743.74
Step by Step Solution
- Step 1: Write the proportion equation
642,808.29 : 887,082.64 = 367,202.63 : x - Step 2: Convert to fraction form
642,808.29/887,082.64 = 367,202.63/x - Step 3: Cross multiply
642,808.29x = 887,082.64 × 367,202.63 - Step 4: Simplify right side
642,808.29x = 325,739,073,999.93 - Step 5: Solve for x
x = 325,739,073,999.93/642,808.29 - Step 6: Final answer
x = 506,743.74
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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.