Finding the Fourth Proportional to 621,733.68, 857,992.52 and 353,461.68
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Solution
The fourth proportional to 621,733.68, 857,992.52 and 353,461.68 is: 487,777.14
Step by Step Solution
- Step 1: Write the proportion equation
621,733.68 : 857,992.52 = 353,461.68 : x - Step 2: Convert to fraction form
621,733.68/857,992.52 = 353,461.68/x - Step 3: Cross multiply
621,733.68x = 857,992.52 × 353,461.68 - Step 4: Simplify right side
621,733.68x = 303,267,477,546.63 - Step 5: Solve for x
x = 303,267,477,546.63/621,733.68 - Step 6: Final answer
x = 487,777.14
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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.