Finding the Fourth Proportional to 988,194.94, 1,481,929.21 and 339,587.10
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Solution
The fourth proportional to 988,194.94, 1,481,929.21 and 339,587.10 is: 509,255.84
Step by Step Solution
- Step 1: Write the proportion equation
988,194.94 : 1,481,929.21 = 339,587.10 : x - Step 2: Convert to fraction form
988,194.94/1,481,929.21 = 339,587.10/x - Step 3: Cross multiply
988,194.94x = 1,481,929.21 × 339,587.10 - Step 4: Simplify right side
988,194.94x = 503,244,042,829.19 - Step 5: Solve for x
x = 503,244,042,829.19/988,194.94 - Step 6: Final answer
x = 509,255.84
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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.