Finding the Fourth Proportional to 761,979.96, 1,142,438.58 and 335,310.84
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Solution
The fourth proportional to 761,979.96, 1,142,438.58 and 335,310.84 is: 502,732.43
Step by Step Solution
- Step 1: Write the proportion equation
761,979.96 : 1,142,438.58 = 335,310.84 : x - Step 2: Convert to fraction form
761,979.96/1,142,438.58 = 335,310.84/x - Step 3: Cross multiply
761,979.96x = 1,142,438.58 × 335,310.84 - Step 4: Simplify right side
761,979.96x = 383,072,039,908.21 - Step 5: Solve for x
x = 383,072,039,908.21/761,979.96 - Step 6: Final answer
x = 502,732.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.