Finding the Fourth Proportional to 919,673.13, 1,379,493.63 and 413,876.19
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Solution
The fourth proportional to 919,673.13, 1,379,493.63 and 413,876.19 is: 620,807.06
Step by Step Solution
- Step 1: Write the proportion equation
919,673.13 : 1,379,493.63 = 413,876.19 : x - Step 2: Convert to fraction form
919,673.13/1,379,493.63 = 413,876.19/x - Step 3: Cross multiply
919,673.13x = 1,379,493.63 × 413,876.19 - Step 4: Simplify right side
919,673.13x = 570,939,567,713.67 - Step 5: Solve for x
x = 570,939,567,713.67/919,673.13 - Step 6: Final answer
x = 620,807.06
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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.