Finding the Fourth Proportional to 1,229,705.02, 1,844,418.99 and 331,212.52
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Solution
The fourth proportional to 1,229,705.02, 1,844,418.99 and 331,212.52 is: 496,781.47
Step by Step Solution
- Step 1: Write the proportion equation
1,229,705.02 : 1,844,418.99 = 331,212.52 : x - Step 2: Convert to fraction form
1,229,705.02/1,844,418.99 = 331,212.52/x - Step 3: Cross multiply
1,229,705.02x = 1,844,418.99 × 331,212.52 - Step 4: Simplify right side
1,229,705.02x = 610,894,661,613.76 - Step 5: Solve for x
x = 610,894,661,613.76/1,229,705.02 - Step 6: Final answer
x = 496,781.47
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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.