Finding the Fourth Proportional to 682,993.68, 942,532.68 and 377,070.66
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Solution
The fourth proportional to 682,993.68, 942,532.68 and 377,070.66 is: 520,358.28
Step by Step Solution
- Step 1: Write the proportion equation
682,993.68 : 942,532.68 = 377,070.66 : x - Step 2: Convert to fraction form
682,993.68/942,532.68 = 377,070.66/x - Step 3: Cross multiply
682,993.68x = 942,532.68 × 377,070.66 - Step 4: Simplify right side
682,993.68x = 355,401,415,006.51 - Step 5: Solve for x
x = 355,401,415,006.51/682,993.68 - Step 6: Final answer
x = 520,358.28
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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.