Finding the Fourth Proportional to 913,519, 1,370,409.18 and 282,481.48
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Solution
The fourth proportional to 913,519, 1,370,409.18 and 282,481.48 is: 423,762.63
Step by Step Solution
- Step 1: Write the proportion equation
913,519 : 1,370,409.18 = 282,481.48 : x - Step 2: Convert to fraction form
913,519/1,370,409.18 = 282,481.48/x - Step 3: Cross multiply
913,519x = 1,370,409.18 × 282,481.48 - Step 4: Simplify right side
913,519x = 387,115,213,371.99 - Step 5: Solve for x
x = 387,115,213,371.99/913,519 - Step 6: Final answer
x = 423,762.63
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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.