Finding the Fourth Proportional to 559,682.91, 772,380.50 and 317,961.09
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Solution
The fourth proportional to 559,682.91, 772,380.50 and 317,961.09 is: 438,796.58
Step by Step Solution
- Step 1: Write the proportion equation
559,682.91 : 772,380.50 = 317,961.09 : x - Step 2: Convert to fraction form
559,682.91/772,380.50 = 317,961.09/x - Step 3: Cross multiply
559,682.91x = 772,380.50 × 317,961.09 - Step 4: Simplify right side
559,682.91x = 245,586,944,084.94 - Step 5: Solve for x
x = 245,586,944,084.94/559,682.91 - Step 6: Final answer
x = 438,796.58
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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.