Finding the Fourth Proportional to 744,148.17, 1,115,861.16 and 436,484.19
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Solution
The fourth proportional to 744,148.17, 1,115,861.16 and 436,484.19 is: 654,514.48
Step by Step Solution
- Step 1: Write the proportion equation
744,148.17 : 1,115,861.16 = 436,484.19 : x - Step 2: Convert to fraction form
744,148.17/1,115,861.16 = 436,484.19/x - Step 3: Cross multiply
744,148.17x = 1,115,861.16 × 436,484.19 - Step 4: Simplify right side
744,148.17x = 487,055,754,575.06 - Step 5: Solve for x
x = 487,055,754,575.06/744,148.17 - Step 6: Final answer
x = 654,514.48
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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.