Finding the Fourth Proportional to 700,115.99, 966,080.16 and 394,184.48
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Solution
The fourth proportional to 700,115.99, 966,080.16 and 394,184.48 is: 543,929.59
Step by Step Solution
- Step 1: Write the proportion equation
700,115.99 : 966,080.16 = 394,184.48 : x - Step 2: Convert to fraction form
700,115.99/966,080.16 = 394,184.48/x - Step 3: Cross multiply
700,115.99x = 966,080.16 × 394,184.48 - Step 4: Simplify right side
700,115.99x = 380,813,800,677.52 - Step 5: Solve for x
x = 380,813,800,677.52/700,115.99 - Step 6: Final answer
x = 543,929.59
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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.