Finding the Fourth Proportional to 788,556.84, 1,088,207.37 and 449,025.09
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Solution
The fourth proportional to 788,556.84, 1,088,207.37 and 449,025.09 is: 619,654.02
Step by Step Solution
- Step 1: Write the proportion equation
788,556.84 : 1,088,207.37 = 449,025.09 : x - Step 2: Convert to fraction form
788,556.84/1,088,207.37 = 449,025.09/x - Step 3: Cross multiply
788,556.84x = 1,088,207.37 × 449,025.09 - Step 4: Simplify right side
788,556.84x = 488,632,412,252.91 - Step 5: Solve for x
x = 488,632,412,252.91/788,556.84 - Step 6: Final answer
x = 619,654.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.