Finding the Fourth Proportional to 718,489.44, 1,077,957.86 and 213,053.09
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Solution
The fourth proportional to 718,489.44, 1,077,957.86 and 213,053.09 is: 319,645.96
Step by Step Solution
- Step 1: Write the proportion equation
718,489.44 : 1,077,957.86 = 213,053.09 : x - Step 2: Convert to fraction form
718,489.44/1,077,957.86 = 213,053.09/x - Step 3: Cross multiply
718,489.44x = 1,077,957.86 × 213,053.09 - Step 4: Simplify right side
718,489.44x = 229,662,246,507.73 - Step 5: Solve for x
x = 229,662,246,507.73/718,489.44 - Step 6: Final answer
x = 319,645.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.