Finding the Fourth Proportional to 718,620.08, 1,077,930.12 and 219,919.28
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Solution
The fourth proportional to 718,620.08, 1,077,930.12 and 219,919.28 is: 329,878.92
Step by Step Solution
- Step 1: Write the proportion equation
718,620.08 : 1,077,930.12 = 219,919.28 : x - Step 2: Convert to fraction form
718,620.08/1,077,930.12 = 219,919.28/x - Step 3: Cross multiply
718,620.08x = 1,077,930.12 × 219,919.28 - Step 4: Simplify right side
718,620.08x = 237,057,615,880.71 - Step 5: Solve for x
x = 237,057,615,880.71/718,620.08 - Step 6: Final answer
x = 329,878.92
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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.