Finding the Fourth Proportional to 804,965.63, 1,207,489.81 and 205,931.99
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Solution
The fourth proportional to 804,965.63, 1,207,489.81 and 205,931.99 is: 308,908.56
Step by Step Solution
- Step 1: Write the proportion equation
804,965.63 : 1,207,489.81 = 205,931.99 : x - Step 2: Convert to fraction form
804,965.63/1,207,489.81 = 205,931.99/x - Step 3: Cross multiply
804,965.63x = 1,207,489.81 × 205,931.99 - Step 4: Simplify right side
804,965.63x = 248,660,772,410.91 - Step 5: Solve for x
x = 248,660,772,410.91/804,965.63 - Step 6: Final answer
x = 308,908.56
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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.