Finding the Fourth Proportional to 804,913.28, 1,207,544.16 and 243,990.08
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Solution
The fourth proportional to 804,913.28, 1,207,544.16 and 243,990.08 is: 366,037.94
Step by Step Solution
- Step 1: Write the proportion equation
804,913.28 : 1,207,544.16 = 243,990.08 : x - Step 2: Convert to fraction form
804,913.28/1,207,544.16 = 243,990.08/x - Step 3: Cross multiply
804,913.28x = 1,207,544.16 × 243,990.08 - Step 4: Simplify right side
804,913.28x = 294,628,796,201.93 - Step 5: Solve for x
x = 294,628,796,201.93/804,913.28 - Step 6: Final answer
x = 366,037.94
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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.