Finding the Fourth Proportional to 780,331.68, 1,170,497.48 and 219,366.18
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Solution
The fourth proportional to 780,331.68, 1,170,497.48 and 219,366.18 is: 329,049.26
Step by Step Solution
- Step 1: Write the proportion equation
780,331.68 : 1,170,497.48 = 219,366.18 : x - Step 2: Convert to fraction form
780,331.68/1,170,497.48 = 219,366.18/x - Step 3: Cross multiply
780,331.68x = 1,170,497.48 × 219,366.18 - Step 4: Simplify right side
780,331.68x = 256,767,560,887.23 - Step 5: Solve for x
x = 256,767,560,887.23/780,331.68 - Step 6: Final answer
x = 329,049.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.