Finding the Fourth Proportional to 804,965.57, 1,207,489.71 and 205,931.92
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Solution
The fourth proportional to 804,965.57, 1,207,489.71 and 205,931.92 is: 308,908.47
Step by Step Solution
- Step 1: Write the proportion equation
804,965.57 : 1,207,489.71 = 205,931.92 : x - Step 2: Convert to fraction form
804,965.57/1,207,489.71 = 205,931.92/x - Step 3: Cross multiply
804,965.57x = 1,207,489.71 × 205,931.92 - Step 4: Simplify right side
804,965.57x = 248,660,677,894.10 - Step 5: Solve for x
x = 248,660,677,894.10/804,965.57 - Step 6: Final answer
x = 308,908.47
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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.