Finding the Fourth Proportional to 808,028.88, 1,115,101.64 and 445,491.92
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Solution
The fourth proportional to 808,028.88, 1,115,101.64 and 445,491.92 is: 614,790.86
Step by Step Solution
- Step 1: Write the proportion equation
808,028.88 : 1,115,101.64 = 445,491.92 : x - Step 2: Convert to fraction form
808,028.88/1,115,101.64 = 445,491.92/x - Step 3: Cross multiply
808,028.88x = 1,115,101.64 × 445,491.92 - Step 4: Simplify right side
808,028.88x = 496,768,770,598.75 - Step 5: Solve for x
x = 496,768,770,598.75/808,028.88 - Step 6: Final answer
x = 614,790.86
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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.