Finding the Fourth Proportional to 727,497.96, 1,003,993.06 and 409,566.44
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Solution
The fourth proportional to 727,497.96, 1,003,993.06 and 409,566.44 is: 565,227.51
Step by Step Solution
- Step 1: Write the proportion equation
727,497.96 : 1,003,993.06 = 409,566.44 : x - Step 2: Convert to fraction form
727,497.96/1,003,993.06 = 409,566.44/x - Step 3: Cross multiply
727,497.96x = 1,003,993.06 × 409,566.44 - Step 4: Simplify right side
727,497.96x = 411,201,863,368.91 - Step 5: Solve for x
x = 411,201,863,368.91/727,497.96 - Step 6: Final answer
x = 565,227.51
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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.