Finding the Fourth Proportional to 804,965.19, 1,207,489.15 and 205,931.55
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Solution
The fourth proportional to 804,965.19, 1,207,489.15 and 205,931.55 is: 308,907.90
Step by Step Solution
- Step 1: Write the proportion equation
804,965.19 : 1,207,489.15 = 205,931.55 : x - Step 2: Convert to fraction form
804,965.19/1,207,489.15 = 205,931.55/x - Step 3: Cross multiply
804,965.19x = 1,207,489.15 × 205,931.55 - Step 4: Simplify right side
804,965.19x = 248,660,108,734.13 - Step 5: Solve for x
x = 248,660,108,734.13/804,965.19 - Step 6: Final answer
x = 308,907.90
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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.