Finding the Fourth Proportional to 772,752.68, 1,158,837.80 and 323,504.58
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Solution
The fourth proportional to 772,752.68, 1,158,837.80 and 323,504.58 is: 485,134.95
Step by Step Solution
- Step 1: Write the proportion equation
772,752.68 : 1,158,837.80 = 323,504.58 : x - Step 2: Convert to fraction form
772,752.68/1,158,837.80 = 323,504.58/x - Step 3: Cross multiply
772,752.68x = 1,158,837.80 × 323,504.58 - Step 4: Simplify right side
772,752.68x = 374,889,335,777.12 - Step 5: Solve for x
x = 374,889,335,777.12/772,752.68 - Step 6: Final answer
x = 485,134.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.