Finding the Fourth Proportional to 993,218.70, 1,489,841.70 and 283,246.80
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Solution
The fourth proportional to 993,218.70, 1,489,841.70 and 283,246.80 is: 424,874.09
Step by Step Solution
- Step 1: Write the proportion equation
993,218.70 : 1,489,841.70 = 283,246.80 : x - Step 2: Convert to fraction form
993,218.70/1,489,841.70 = 283,246.80/x - Step 3: Cross multiply
993,218.70x = 1,489,841.70 × 283,246.80 - Step 4: Simplify right side
993,218.70x = 421,992,894,031.56 - Step 5: Solve for x
x = 421,992,894,031.56/993,218.70 - Step 6: Final answer
x = 424,874.09
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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.