Finding the Fourth Proportional to 772,752.71, 1,158,310.97 and 259,929.66
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Solution
The fourth proportional to 772,752.71, 1,158,310.97 and 259,929.66 is: 389,619.31
Step by Step Solution
- Step 1: Write the proportion equation
772,752.71 : 1,158,310.97 = 259,929.66 : x - Step 2: Convert to fraction form
772,752.71/1,158,310.97 = 259,929.66/x - Step 3: Cross multiply
772,752.71x = 1,158,310.97 × 259,929.66 - Step 4: Simplify right side
772,752.71x = 301,079,375,206.19 - Step 5: Solve for x
x = 301,079,375,206.19/772,752.71 - Step 6: Final answer
x = 389,619.31
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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.