Finding the Fourth Proportional to 611,672.91, 843,768.36 and 568,373.95
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Solution
The fourth proportional to 611,672.91, 843,768.36 and 568,373.95 is: 784,039.88
Step by Step Solution
- Step 1: Write the proportion equation
611,672.91 : 843,768.36 = 568,373.95 : x - Step 2: Convert to fraction form
611,672.91/843,768.36 = 568,373.95/x - Step 3: Cross multiply
611,672.91x = 843,768.36 × 568,373.95 - Step 4: Simplify right side
611,672.91x = 479,575,955,658.22 - Step 5: Solve for x
x = 479,575,955,658.22/611,672.91 - Step 6: Final answer
x = 784,039.88
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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.