Finding the Fourth Proportional to 916,458.36, 1,372,847.98 and 467,161.08
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Solution
The fourth proportional to 916,458.36, 1,372,847.98 and 467,161.08 is: 699,803.91
Step by Step Solution
- Step 1: Write the proportion equation
916,458.36 : 1,372,847.98 = 467,161.08 : x - Step 2: Convert to fraction form
916,458.36/1,372,847.98 = 467,161.08/x - Step 3: Cross multiply
916,458.36x = 1,372,847.98 × 467,161.08 - Step 4: Simplify right side
916,458.36x = 641,341,145,012.62 - Step 5: Solve for x
x = 641,341,145,012.62/916,458.36 - Step 6: Final answer
x = 699,803.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.