Finding the Fourth Proportional to 611,739.98, 843,861.12 and 568,441.16
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Solution
The fourth proportional to 611,739.98, 843,861.12 and 568,441.16 is: 784,132.82
Step by Step Solution
- Step 1: Write the proportion equation
611,739.98 : 843,861.12 = 568,441.16 : x - Step 2: Convert to fraction form
611,739.98/843,861.12 = 568,441.16/x - Step 3: Cross multiply
611,739.98x = 843,861.12 × 568,441.16 - Step 4: Simplify right side
611,739.98x = 479,685,393,931.70 - Step 5: Solve for x
x = 479,685,393,931.70/611,739.98 - Step 6: Final answer
x = 784,132.82
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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.