Finding the Fourth Proportional to 770,149.80, 1,154,447.10 and 349,727.40
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Solution
The fourth proportional to 770,149.80, 1,154,447.10 and 349,727.40 is: 524,237.99
Step by Step Solution
- Step 1: Write the proportion equation
770,149.80 : 1,154,447.10 = 349,727.40 : x - Step 2: Convert to fraction form
770,149.80/1,154,447.10 = 349,727.40/x - Step 3: Cross multiply
770,149.80x = 1,154,447.10 × 349,727.40 - Step 4: Simplify right side
770,149.80x = 403,741,782,720.54 - Step 5: Solve for x
x = 403,741,782,720.54/770,149.80 - Step 6: Final answer
x = 524,237.99
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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.