Finding the Fourth Proportional to 566,791.74, 782,163.15 and 312,166.62
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Solution
The fourth proportional to 566,791.74, 782,163.15 and 312,166.62 is: 430,784.73
Step by Step Solution
- Step 1: Write the proportion equation
566,791.74 : 782,163.15 = 312,166.62 : x - Step 2: Convert to fraction form
566,791.74/782,163.15 = 312,166.62/x - Step 3: Cross multiply
566,791.74x = 782,163.15 × 312,166.62 - Step 4: Simplify right side
566,791.74x = 244,165,226,824.05 - Step 5: Solve for x
x = 244,165,226,824.05/566,791.74 - Step 6: Final answer
x = 430,784.73
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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.