Finding the Fourth Proportional to 988,536.96, 1,364,326.74 and 625,993.92
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Solution
The fourth proportional to 988,536.96, 1,364,326.74 and 625,993.92 is: 863,963.90
Step by Step Solution
- Step 1: Write the proportion equation
988,536.96 : 1,364,326.74 = 625,993.92 : x - Step 2: Convert to fraction form
988,536.96/1,364,326.74 = 625,993.92/x - Step 3: Cross multiply
988,536.96x = 1,364,326.74 × 625,993.92 - Step 4: Simplify right side
988,536.96x = 854,060,244,133.42 - Step 5: Solve for x
x = 854,060,244,133.42/988,536.96 - Step 6: Final answer
x = 863,963.90
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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.