Finding the Fourth Proportional to 807,489.36, 1,114,329.84 and 444,904.83
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Solution
The fourth proportional to 807,489.36, 1,114,329.84 and 444,904.83 is: 613,965.65
Step by Step Solution
- Step 1: Write the proportion equation
807,489.36 : 1,114,329.84 = 444,904.83 : x - Step 2: Convert to fraction form
807,489.36/1,114,329.84 = 444,904.83/x - Step 3: Cross multiply
807,489.36x = 1,114,329.84 × 444,904.83 - Step 4: Simplify right side
807,489.36x = 495,770,728,029.13 - Step 5: Solve for x
x = 495,770,728,029.13/807,489.36 - Step 6: Final answer
x = 613,965.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.