Finding the Fourth Proportional to 743,873.64, 1,115,155.97 and 294,910.08
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Solution
The fourth proportional to 743,873.64, 1,115,155.97 and 294,910.08 is: 442,105.65
Step by Step Solution
- Step 1: Write the proportion equation
743,873.64 : 1,115,155.97 = 294,910.08 : x - Step 2: Convert to fraction form
743,873.64/1,115,155.97 = 294,910.08/x - Step 3: Cross multiply
743,873.64x = 1,115,155.97 × 294,910.08 - Step 4: Simplify right side
743,873.64x = 328,870,736,325.18 - Step 5: Solve for x
x = 328,870,736,325.18/743,873.64 - Step 6: Final answer
x = 442,105.65
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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.