Finding the Fourth Proportional to 727,873.06, 1,004,454.66 and 405,596.74
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Solution
The fourth proportional to 727,873.06, 1,004,454.66 and 405,596.74 is: 559,717.84
Step by Step Solution
- Step 1: Write the proportion equation
727,873.06 : 1,004,454.66 = 405,596.74 : x - Step 2: Convert to fraction form
727,873.06/1,004,454.66 = 405,596.74/x - Step 3: Cross multiply
727,873.06x = 1,004,454.66 × 405,596.74 - Step 4: Simplify right side
727,873.06x = 407,403,535,573.81 - Step 5: Solve for x
x = 407,403,535,573.81/727,873.06 - Step 6: Final answer
x = 559,717.84
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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.