Finding the Fourth Proportional to 639,082.35, 882,011.76 and 367,149.75
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Solution
The fourth proportional to 639,082.35, 882,011.76 and 367,149.75 is: 506,711.53
Step by Step Solution
- Step 1: Write the proportion equation
639,082.35 : 882,011.76 = 367,149.75 : x - Step 2: Convert to fraction form
639,082.35/882,011.76 = 367,149.75/x - Step 3: Cross multiply
639,082.35x = 882,011.76 × 367,149.75 - Step 4: Simplify right side
639,082.35x = 323,830,397,181.06 - Step 5: Solve for x
x = 323,830,397,181.06/639,082.35 - Step 6: Final answer
x = 506,711.53
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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.