Finding the Fourth Proportional to 647,198.62, 893,164.66 and 360,720.75
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Solution
The fourth proportional to 647,198.62, 893,164.66 and 360,720.75 is: 497,811.68
Step by Step Solution
- Step 1: Write the proportion equation
647,198.62 : 893,164.66 = 360,720.75 : x - Step 2: Convert to fraction form
647,198.62/893,164.66 = 360,720.75/x - Step 3: Cross multiply
647,198.62x = 893,164.66 × 360,720.75 - Step 4: Simplify right side
647,198.62x = 322,183,028,476.26 - Step 5: Solve for x
x = 322,183,028,476.26/647,198.62 - Step 6: Final answer
x = 497,811.68
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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.