Finding the Fourth Proportional to 851,815.61, 1,277,446.80 and 283,043.96
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Solution
The fourth proportional to 851,815.61, 1,277,446.80 and 283,043.96 is: 424,474.02
Step by Step Solution
- Step 1: Write the proportion equation
851,815.61 : 1,277,446.80 = 283,043.96 : x - Step 2: Convert to fraction form
851,815.61/1,277,446.80 = 283,043.96/x - Step 3: Cross multiply
851,815.61x = 1,277,446.80 × 283,043.96 - Step 4: Simplify right side
851,815.61x = 361,573,594,574.09 - Step 5: Solve for x
x = 361,573,594,574.09/851,815.61 - Step 6: Final answer
x = 424,474.02
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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.