Finding the Fourth Proportional to 667,804.80, 921,565.44 and 365,998.08
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Solution
The fourth proportional to 667,804.80, 921,565.44 and 365,998.08 is: 505,074.51
Step by Step Solution
- Step 1: Write the proportion equation
667,804.80 : 921,565.44 = 365,998.08 : x - Step 2: Convert to fraction form
667,804.80/921,565.44 = 365,998.08/x - Step 3: Cross multiply
667,804.80x = 921,565.44 × 365,998.08 - Step 4: Simplify right side
667,804.80x = 337,291,181,634.36 - Step 5: Solve for x
x = 337,291,181,634.36/667,804.80 - Step 6: Final answer
x = 505,074.51
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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.