Finding the Fourth Proportional to 744,147.17, 1,115,859.66 and 436,483.19
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Solution
The fourth proportional to 744,147.17, 1,115,859.66 and 436,483.19 is: 654,512.99
Step by Step Solution
- Step 1: Write the proportion equation
744,147.17 : 1,115,859.66 = 436,483.19 : x - Step 2: Convert to fraction form
744,147.17/1,115,859.66 = 436,483.19/x - Step 3: Cross multiply
744,147.17x = 1,115,859.66 × 436,483.19 - Step 4: Simplify right side
744,147.17x = 487,053,985,141.95 - Step 5: Solve for x
x = 487,053,985,141.95/744,147.17 - Step 6: Final answer
x = 654,512.99
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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.