Finding the Fourth Proportional to 565,107.28, 779,848.32 and 310,474.84
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Solution
The fourth proportional to 565,107.28, 779,848.32 and 310,474.84 is: 428,455.43
Step by Step Solution
- Step 1: Write the proportion equation
565,107.28 : 779,848.32 = 310,474.84 : x - Step 2: Convert to fraction form
565,107.28/779,848.32 = 310,474.84/x - Step 3: Cross multiply
565,107.28x = 779,848.32 × 310,474.84 - Step 4: Simplify right side
565,107.28x = 242,123,282,376.27 - Step 5: Solve for x
x = 242,123,282,376.27/565,107.28 - Step 6: Final answer
x = 428,455.43
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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.