Finding the Fourth Proportional to 707,645.44, 976,473.60 and 405,831.68
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Solution
The fourth proportional to 707,645.44, 976,473.60 and 405,831.68 is: 560,003.50
Step by Step Solution
- Step 1: Write the proportion equation
707,645.44 : 976,473.60 = 405,831.68 : x - Step 2: Convert to fraction form
707,645.44/976,473.60 = 405,831.68/x - Step 3: Cross multiply
707,645.44x = 976,473.60 × 405,831.68 - Step 4: Simplify right side
707,645.44x = 396,283,921,563.65 - Step 5: Solve for x
x = 396,283,921,563.65/707,645.44 - Step 6: Final answer
x = 560,003.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.