Finding the Fourth Proportional to 918,733.44, 1,378,379.88 and 469,769.66
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Solution
The fourth proportional to 918,733.44, 1,378,379.88 and 469,769.66 is: 704,797.52
Step by Step Solution
- Step 1: Write the proportion equation
918,733.44 : 1,378,379.88 = 469,769.66 : x - Step 2: Convert to fraction form
918,733.44/1,378,379.88 = 469,769.66/x - Step 3: Cross multiply
918,733.44x = 1,378,379.88 × 469,769.66 - Step 4: Simplify right side
918,733.44x = 647,521,047,578.44 - Step 5: Solve for x
x = 647,521,047,578.44/918,733.44 - Step 6: Final answer
x = 704,797.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.