Finding the Fourth Proportional to 700,629.84, 966,872.14 and 394,709.88
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Solution
The fourth proportional to 700,629.84, 966,872.14 and 394,709.88 is: 544,701.31
Step by Step Solution
- Step 1: Write the proportion equation
700,629.84 : 966,872.14 = 394,709.88 : x - Step 2: Convert to fraction form
700,629.84/966,872.14 = 394,709.88/x - Step 3: Cross multiply
700,629.84x = 966,872.14 × 394,709.88 - Step 4: Simplify right side
700,629.84x = 381,633,988,993.74 - Step 5: Solve for x
x = 381,633,988,993.74/700,629.84 - Step 6: Final answer
x = 544,701.31
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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.