Finding the Fourth Proportional to 800,578.74, 1,104,617.96 and 478,225.92
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Solution
The fourth proportional to 800,578.74, 1,104,617.96 and 478,225.92 is: 659,843.83
Step by Step Solution
- Step 1: Write the proportion equation
800,578.74 : 1,104,617.96 = 478,225.92 : x - Step 2: Convert to fraction form
800,578.74/1,104,617.96 = 478,225.92/x - Step 3: Cross multiply
800,578.74x = 1,104,617.96 × 478,225.92 - Step 4: Simplify right side
800,578.74x = 528,256,940,169.52 - Step 5: Solve for x
x = 528,256,940,169.52/800,578.74 - Step 6: Final answer
x = 659,843.83
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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.