Finding the Fourth Proportional to 851,658.63, 1,277,702.76 and 283,042.71
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Solution
The fourth proportional to 851,658.63, 1,277,702.76 and 283,042.71 is: 424,635.46
Step by Step Solution
- Step 1: Write the proportion equation
851,658.63 : 1,277,702.76 = 283,042.71 : x - Step 2: Convert to fraction form
851,658.63/1,277,702.76 = 283,042.71/x - Step 3: Cross multiply
851,658.63x = 1,277,702.76 × 283,042.71 - Step 4: Simplify right side
851,658.63x = 361,644,451,764.88 - Step 5: Solve for x
x = 361,644,451,764.88/851,658.63 - Step 6: Final answer
x = 424,635.46
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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.