Finding the Fourth Proportional to 808,129.24, 1,115,216.84 and 445,550.56
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Solution
The fourth proportional to 808,129.24, 1,115,216.84 and 445,550.56 is: 614,858.94
Step by Step Solution
- Step 1: Write the proportion equation
808,129.24 : 1,115,216.84 = 445,550.56 : x - Step 2: Convert to fraction form
808,129.24/1,115,216.84 = 445,550.56/x - Step 3: Cross multiply
808,129.24x = 1,115,216.84 × 445,550.56 - Step 4: Simplify right side
808,129.24x = 496,885,487,583.43 - Step 5: Solve for x
x = 496,885,487,583.43/808,129.24 - Step 6: Final answer
x = 614,858.94
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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.