Finding the Fourth Proportional to 801,582.38, 1,106,183.67 and 439,007.09
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Solution
The fourth proportional to 801,582.38, 1,106,183.67 and 439,007.09 is: 605,829.78
Step by Step Solution
- Step 1: Write the proportion equation
801,582.38 : 1,106,183.67 = 439,007.09 : x - Step 2: Convert to fraction form
801,582.38/1,106,183.67 = 439,007.09/x - Step 3: Cross multiply
801,582.38x = 1,106,183.67 × 439,007.09 - Step 4: Simplify right side
801,582.38x = 485,622,473,972.22 - Step 5: Solve for x
x = 485,622,473,972.22/801,582.38 - Step 6: Final answer
x = 605,829.78
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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.