Finding the Fourth Proportional to 851,312.53, 1,276,828.92 and 345,853.09
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Solution
The fourth proportional to 851,312.53, 1,276,828.92 and 345,853.09 is: 518,722.81
Step by Step Solution
- Step 1: Write the proportion equation
851,312.53 : 1,276,828.92 = 345,853.09 : x - Step 2: Convert to fraction form
851,312.53/1,276,828.92 = 345,853.09/x - Step 3: Cross multiply
851,312.53x = 1,276,828.92 × 345,853.09 - Step 4: Simplify right side
851,312.53x = 441,595,228,979.40 - Step 5: Solve for x
x = 441,595,228,979.40/851,312.53 - Step 6: Final answer
x = 518,722.81
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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.