Finding the Fourth Proportional to 414,455.10, 571,428.99 and 346,570.62
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Solution
The fourth proportional to 414,455.10, 571,428.99 and 346,570.62 is: 477,833.42
Step by Step Solution
- Step 1: Write the proportion equation
414,455.10 : 571,428.99 = 346,570.62 : x - Step 2: Convert to fraction form
414,455.10/571,428.99 = 346,570.62/x - Step 3: Cross multiply
414,455.10x = 571,428.99 × 346,570.62 - Step 4: Simplify right side
414,455.10x = 198,040,499,350.27 - Step 5: Solve for x
x = 198,040,499,350.27/414,455.10 - Step 6: Final answer
x = 477,833.42
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1.5x scale
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.