Finding the Fourth Proportional to 936,811.26, 1,292,802.75 and 507,091.26
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Solution
The fourth proportional to 936,811.26, 1,292,802.75 and 507,091.26 is: 699,787.68
Step by Step Solution
- Step 1: Write the proportion equation
936,811.26 : 1,292,802.75 = 507,091.26 : x - Step 2: Convert to fraction form
936,811.26/1,292,802.75 = 507,091.26/x - Step 3: Cross multiply
936,811.26x = 1,292,802.75 × 507,091.26 - Step 4: Simplify right side
936,811.26x = 655,568,975,428.97 - Step 5: Solve for x
x = 655,568,975,428.97/936,811.26 - Step 6: Final answer
x = 699,787.68
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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.