Finding the Fourth Proportional to 563,732.28, 777,944.62 and 309,082.84
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Solution
The fourth proportional to 563,732.28, 777,944.62 and 309,082.84 is: 426,531.07
Step by Step Solution
- Step 1: Write the proportion equation
563,732.28 : 777,944.62 = 309,082.84 : x - Step 2: Convert to fraction form
563,732.28/777,944.62 = 309,082.84/x - Step 3: Cross multiply
563,732.28x = 777,944.62 × 309,082.84 - Step 4: Simplify right side
563,732.28x = 240,449,332,512.32 - Step 5: Solve for x
x = 240,449,332,512.32/563,732.28 - Step 6: Final answer
x = 426,531.07
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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.