Finding the Fourth Proportional to 790,183.09, 1,090,452.66 and 427,606.95
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Solution
The fourth proportional to 790,183.09, 1,090,452.66 and 427,606.95 is: 590,097.59
Step by Step Solution
- Step 1: Write the proportion equation
790,183.09 : 1,090,452.66 = 427,606.95 : x - Step 2: Convert to fraction form
790,183.09/1,090,452.66 = 427,606.95/x - Step 3: Cross multiply
790,183.09x = 1,090,452.66 × 427,606.95 - Step 4: Simplify right side
790,183.09x = 466,285,136,061.99 - Step 5: Solve for x
x = 466,285,136,061.99/790,183.09 - Step 6: Final answer
x = 590,097.59
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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.