Finding the Fourth Proportional to 780,157.68, 1,170,277.08 and 247,720.44
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Solution
The fourth proportional to 780,157.68, 1,170,277.08 and 247,720.44 is: 371,593.54
Step by Step Solution
- Step 1: Write the proportion equation
780,157.68 : 1,170,277.08 = 247,720.44 : x - Step 2: Convert to fraction form
780,157.68/1,170,277.08 = 247,720.44/x - Step 3: Cross multiply
780,157.68x = 1,170,277.08 × 247,720.44 - Step 4: Simplify right side
780,157.68x = 289,901,553,179.52 - Step 5: Solve for x
x = 289,901,553,179.52/780,157.68 - Step 6: Final answer
x = 371,593.54
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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.