Finding the Fourth Proportional to 761,471.62, 1,141,958.30 and 356,538.49
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Solution
The fourth proportional to 761,471.62, 1,141,958.30 and 356,538.49 is: 534,691.08
Step by Step Solution
- Step 1: Write the proportion equation
761,471.62 : 1,141,958.30 = 356,538.49 : x - Step 2: Convert to fraction form
761,471.62/1,141,958.30 = 356,538.49/x - Step 3: Cross multiply
761,471.62x = 1,141,958.30 × 356,538.49 - Step 4: Simplify right side
761,471.62x = 407,152,083,287.38 - Step 5: Solve for x
x = 407,152,083,287.38/761,471.62 - Step 6: Final answer
x = 534,691.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.