Finding the Fourth Proportional to 753,102.24, 1,039,231.67 and 447,162.81
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Solution
The fourth proportional to 753,102.24, 1,039,231.67 and 447,162.81 is: 617,055.33
Step by Step Solution
- Step 1: Write the proportion equation
753,102.24 : 1,039,231.67 = 447,162.81 : x - Step 2: Convert to fraction form
753,102.24/1,039,231.67 = 447,162.81/x - Step 3: Cross multiply
753,102.24x = 1,039,231.67 × 447,162.81 - Step 4: Simplify right side
753,102.24x = 464,705,751,562.38 - Step 5: Solve for x
x = 464,705,751,562.38/753,102.24 - Step 6: Final answer
x = 617,055.33
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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.