Finding the Fourth Proportional to 823,449.24, 1,234,317.50 and 318,357.14
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Solution
The fourth proportional to 823,449.24, 1,234,317.50 and 318,357.14 is: 477,204.63
Step by Step Solution
- Step 1: Write the proportion equation
823,449.24 : 1,234,317.50 = 318,357.14 : x - Step 2: Convert to fraction form
823,449.24/1,234,317.50 = 318,357.14/x - Step 3: Cross multiply
823,449.24x = 1,234,317.50 × 318,357.14 - Step 4: Simplify right side
823,449.24x = 392,953,789,151.95 - Step 5: Solve for x
x = 392,953,789,151.95/823,449.24 - Step 6: Final answer
x = 477,204.63
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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.