Finding the Fourth Proportional to 590,821.12, 815,335.68 and 322,554.88
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Solution
The fourth proportional to 590,821.12, 815,335.68 and 322,554.88 is: 445,127.12
Step by Step Solution
- Step 1: Write the proportion equation
590,821.12 : 815,335.68 = 322,554.88 : x - Step 2: Convert to fraction form
590,821.12/815,335.68 = 322,554.88/x - Step 3: Cross multiply
590,821.12x = 815,335.68 × 322,554.88 - Step 4: Simplify right side
590,821.12x = 262,990,502,422.12 - Step 5: Solve for x
x = 262,990,502,422.12/590,821.12 - Step 6: Final answer
x = 445,127.12
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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.