Finding the Fourth Proportional to 804,728.05, 1,206,904.79 and 299,526.94
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Solution
The fourth proportional to 804,728.05, 1,206,904.79 and 299,526.94 is: 449,220.71
Step by Step Solution
- Step 1: Write the proportion equation
804,728.05 : 1,206,904.79 = 299,526.94 : x - Step 2: Convert to fraction form
804,728.05/1,206,904.79 = 299,526.94/x - Step 3: Cross multiply
804,728.05x = 1,206,904.79 × 299,526.94 - Step 4: Simplify right side
804,728.05x = 361,500,500,877.49 - Step 5: Solve for x
x = 361,500,500,877.49/804,728.05 - Step 6: Final answer
x = 449,220.71
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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.