Finding the Fourth Proportional to 683,479.20, 943,183.01 and 377,548.99
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Solution
The fourth proportional to 683,479.20, 943,183.01 and 377,548.99 is: 521,007.51
Step by Step Solution
- Step 1: Write the proportion equation
683,479.20 : 943,183.01 = 377,548.99 : x - Step 2: Convert to fraction form
683,479.20/943,183.01 = 377,548.99/x - Step 3: Cross multiply
683,479.20x = 943,183.01 × 377,548.99 - Step 4: Simplify right side
683,479.20x = 356,097,794,976.95 - Step 5: Solve for x
x = 356,097,794,976.95/683,479.20 - Step 6: Final answer
x = 521,007.51
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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.