Finding the Fourth Proportional to 767,715.44, 1,059,104.80 and 445,238.80
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Solution
The fourth proportional to 767,715.44, 1,059,104.80 and 445,238.80 is: 614,230.91
Step by Step Solution
- Step 1: Write the proportion equation
767,715.44 : 1,059,104.80 = 445,238.80 : x - Step 2: Convert to fraction form
767,715.44/1,059,104.80 = 445,238.80/x - Step 3: Cross multiply
767,715.44x = 1,059,104.80 × 445,238.80 - Step 4: Simplify right side
767,715.44x = 471,554,550,226.24 - Step 5: Solve for x
x = 471,554,550,226.24/767,715.44 - Step 6: Final answer
x = 614,230.91
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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.