Finding the Fourth Proportional to 774,685.58, 1,162,095.30 and 213,720.08
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Solution
The fourth proportional to 774,685.58, 1,162,095.30 and 213,720.08 is: 320,598.58
Step by Step Solution
- Step 1: Write the proportion equation
774,685.58 : 1,162,095.30 = 213,720.08 : x - Step 2: Convert to fraction form
774,685.58/1,162,095.30 = 213,720.08/x - Step 3: Cross multiply
774,685.58x = 1,162,095.30 × 213,720.08 - Step 4: Simplify right side
774,685.58x = 248,363,094,673.15 - Step 5: Solve for x
x = 248,363,094,673.15/774,685.58 - Step 6: Final answer
x = 320,598.58
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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.