Finding the Fourth Proportional to 567,088.68, 782,581.97 and 312,439.88
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Solution
The fourth proportional to 567,088.68, 782,581.97 and 312,439.88 is: 431,166.80
Step by Step Solution
- Step 1: Write the proportion equation
567,088.68 : 782,581.97 = 312,439.88 : x - Step 2: Convert to fraction form
567,088.68/782,581.97 = 312,439.88/x - Step 3: Cross multiply
567,088.68x = 782,581.97 × 312,439.88 - Step 4: Simplify right side
567,088.68x = 244,509,811,321.85 - Step 5: Solve for x
x = 244,509,811,321.85/567,088.68 - Step 6: Final answer
x = 431,166.80
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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.