Finding the Fourth Proportional to 793,372.49, 1,189,530.81 and 409,360.80
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Solution
The fourth proportional to 793,372.49, 1,189,530.81 and 409,360.80 is: 613,768.80
Step by Step Solution
- Step 1: Write the proportion equation
793,372.49 : 1,189,530.81 = 409,360.80 : x - Step 2: Convert to fraction form
793,372.49/1,189,530.81 = 409,360.80/x - Step 3: Cross multiply
793,372.49x = 1,189,530.81 × 409,360.80 - Step 4: Simplify right side
793,372.49x = 486,947,284,006.25 - Step 5: Solve for x
x = 486,947,284,006.25/793,372.49 - Step 6: Final answer
x = 613,768.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.