Finding the Fourth Proportional to 808,064.76, 1,115,137.11 and 445,501.92
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Solution
The fourth proportional to 808,064.76, 1,115,137.11 and 445,501.92 is: 614,796.92
Step by Step Solution
- Step 1: Write the proportion equation
808,064.76 : 1,115,137.11 = 445,501.92 : x - Step 2: Convert to fraction form
808,064.76/1,115,137.11 = 445,501.92/x - Step 3: Cross multiply
808,064.76x = 1,115,137.11 × 445,501.92 - Step 4: Simplify right side
808,064.76x = 496,795,723,568.25 - Step 5: Solve for x
x = 496,795,723,568.25/808,064.76 - Step 6: Final answer
x = 614,796.92
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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.